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September 2024

Date Event Distance Location Description
09/21/2024 Byxbee Park Run 5K Palo Alto, CA A free, fun and friendly weekly 5K community event. Walk, jog or run. We all participate for our own enjoyment. Please come along and join whatever your pace.
09/21/2024 Donate Life Run/Walk 10K, 5K Fresno, CA Together, we can save and heal more lives! One by one, together, we have the power to give hope to the men, women and children waiting for a second chance at life.
09/21/2024 Gold Rush Growler Trail Run 10M, 5K Granite Bay, CA This run starts at Granite Beach on Folsom Lake. The Gold Rush Growler features scenic single track courses along the shoreline.
09/21/2024 Lederhosen 5K 10K, 5K Olympic Village, CA Come out to Squaw Valley and start your Oktofest off with the Lederhosen. A super fun 5K in North Lake Tahoe to celebrate Oktofest.
09/21/2024 Newark Mile 4K Newark, CA The Newark Mile 4K is held each year in conjunction with Newark Days to celebrate the incorporation of the city.
09/21/2024 Pincushion Hill Climb 1M Friant, Ca 1 Mile! Straight Up! This will be a chip timed hill climb starting at the San Joaquin River Trailhead and finishing at the top of Pincushion Mountain.
09/21/2024 Rebel XC Challenge 6K Sacramento, CA The Rebel XC Challenge, sponsored by the River City Rebels, a Sacrmento-based club, will take place at Hoffman Park in Carmichael.
09/21/2024 Rocky Ridge Trail Half Marathon 13.1M, 10K, 5K San Ramon, CA This is the race your momma warned you about! The half marathon cannot be described as "flat and fast" or "good for beginners" or with any other nice phrase.
09/21/2024 Run with the Cops 5K 5K Sacramento, CA Starts in Old Sacramento, features a course along the Sacramento River and is a benefit for Law Enforcement Chaplaincy Sacramento and the Sacramento Police K-9 Association.
09/22/2024 Alameda Pint 10K, 5K Alameda, CA Alameda Pint is victory lap for runners who have taken part in the Series and a great day for everyone.
09/22/2024 Clo Cow Half Marathon 13.1M, 10K, 5K Petaluma, CA Our beautiful half marathon course will take you through rural Sonoma County farm country, over rolling hills where you will be cheered on by sheep, horses and of course our beloved moo-cows.
09/22/2024 Honey Badger Half Marathon 13.1M, 10K, 5K Santa Venetia, CA The Badger's race takes place in China Lake State Park in Santa Venetia. Sign up now to receive your AWESOME race "woodallion" AND Lifestyle tee.
09/22/2024 LMJS Fourth Sunday Race 15K, 10K, 5K Oakland, CA The distances offered at this race are one, two and three times around Lake Merritt.
09/22/2024 Mermaid Run San Francisco 10M, 10K, 5K San Francisco, CA Mermaid Series is building a welcoming community that inspires women from all backgrounds to experience the joy of crossing the finish line.
09/22/2024 One Mile 4 One Child 10K/5K Charity Run 10K, 5K, 1M San Jose, CA Experience the thrill of San Jose Valley Charity Running event.
09/25/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5K (ish) route through the Marina neighborhood and the Presidio.
09/28/2024 Arnold Rim Trail Runs 37M, 22M, 13.1M, 10K Arnold, CA All courses will be marked in orange - we will use a combination of fluorscent orange ribbon and 21" steel wire irrigation flags for you to follow to make sure you are on course.
09/28/2024 Big Sur Trail Marathon 26.2M, 13.1M, 5M Big Sur, CA Along the route you'll see some of the most amazing views that the California coastline has to offer.
09/28/2024 Byxbee Parkrun 5K Palo Alto, CA A free, fun, and friendly weekly 5k community event. Walk, jog, run, volunteer or spectate – it's up to you!
09/28/2024 Dick Collins Firetrails 100K, 50M, 26.2M Castro Valley, CA These races are run on the famous trails of the East Bay in the San Francisco Bay Area. Join us for some beautiful courses.
09/28/2024 Great Trail Race 21K, 18K Tahoe City, CA The Great Trail Race is an epic point to point route between Truckee and Tahoe City, CA that you can either Ride or Run.
09/28/2024 HERS Breast Cancer Foundation Run/Walk 10K, 5K Fremont, CA Join us at Quarry Lakes Reginal Park as we run/walk to support Bay Area breast cancer survivors.
09/28/2024 Mt. Umunhum to Quicksilver Point to Point 50K, 26.2M, 25K San Jose, CA Introducing the ultimate trail running experience, an adventure that transcends boundaries. Embark on a breathtaking journey through rough, untamed beauty!
09/28/2024 Pacifica Summit Run 13.1M, 10K Pacifica, CA Do you want to know what the view looks like from the tallest mountain on the upper San Francisco Peninsula? Then look more further than the Pacifica Trail Run!
09/28/2024 Ridge Rambler Half Marathon 13.1M Bridgeport, CA This is a POINT TO POINT COURSE!! The start line is not near the finish line but we will offer a shuttle from the finish back to the start.
09/28/2024 Rivalry Run 5K Tulare, CA The Rivalry Run is a fun event to raise money for Arts, Agriculture, Academics and Athletics! It is open to all age groups and meant to be competitive but fun!
09/28/2024 Set Free Movement Freedom Run 5K Turlock, CA We do this event to raise awareness about human trafficking and what the Set Free Movement is doing to combat it and to raise funds for this cause.
09/28/2024 Smokey Bear Run 10K, 2M Bass Lake, CA The courses run on Road 222, which edges Bass Lake. Slightly rolling hills and pristine views of Bass Lake are in store for 10k and 2 Mile participants!
09/28/2024 Sunset & Cider Trail Races 50K, 13.1M, 5M Auburn, CA Join us for an unparalleled adventure at the Sunset & Cider Trail Races, where your favorite race awaits in the heart of American Canyon in Auburn.
09/28/2024 ZERO Prostate Cancer Run/Walk - Sacramento 5K, 1M Sacramento, CA Let's #ZERO out Prostate Cancer Together! Register and start fundraising today to support prostate cancer patients and families!
09/29/2024 Hot Pink Fun Run 10K, 5K, 1M Roseville, CA Join us in the "Fight Against Breast Cancer"! Gather your friends and family and enjoy a fun race, followed by pancakes, bubbles and brews…
09/29/2024 Spartan Trail - San Jose Trail Challenge 50K, 13.1M, 10K Saratoga, CA Spartan has done a big jump into the trail running scene through Spartan Trail, creating and partnering with world class events for an outstanding experience.

October 2024

Date Event Distance Location Description
10/02/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5K (ish) route through the Marina neighborhood and the Presidio.
10/05/2024 Byxbee Parkrun 5K Palo Alto, CA A free, fun, and friendly weekly 5k community event. Walk, jog, run, volunteer or spectate – it's up to you!
10/05/2024 Frida Fun Run 5K, 2K Fresno, CA This race is also part of The Central Valley Runner of the Year Series.
10/05/2024 HDSA Team Hope 5K Fun Run 5K San Francisco, CA Join us for the San Francisco Team Hope 5K Walk & Fun Run along Crissy Field.
10/05/2024 Look Good Feel Good Race 26.2M, 13.1M, 10K, 5K San Leandro, CA Tie up your shoe laces and get back on the trail for the historic Look Good Feel Good San Leandro Marathon race for Awesome Cause!
10/05/2024 Nor Cal Think Pink 5K 5K Redding, CA Help us RUN into October with one of our most popular events!
10/05/2024 Pink October 5K Yuba City, CA We still want to honor our survivors and celebrate those who have battled breast cancer along with other female forms of cancer.
10/05/2024 Rancho Hills 50K, 26.2M, 30K, 13.1M, 8M, 10K, 5K Morgan Hill, CA This event is tucked away in the incredibly beautiful foothills of the South Bay Area, taking place fully in the Rancho Cañada del Oro Open Space Preserve.
10/05/2024 Rock 'n' Roll San Jose Half 5K San Jose, CA Welcome to Speed City, USA! Nicknamed after the legendary San Jose State track teams of the 60s, San Jose is all about speed.
10/05/2024 Star City San Bruno Mountain Half Marathon 13.1M Brisbane, CA Our race was dreamed up by runners who love the trails of San Bruno Mountain.
10/05/2024 The Auburn Half Marathon 13.1M, 12K, 5K Auburn, CA A half marathon, 12K and 5K will take runners from the Auburn Overlook park, into Auburn State Recreation Area.
10/05/2024 Urban Cow 5K 5K Sacramento, CA Your favorite fall event, born and grazed in Sacramento, is back.
10/05/2024 Wild Wild West Marathon 50M, 50K, 26.2M, 10M Lone Pine, CA Run in the shadow of the High Sierra and through the Alabama Hills.
10/06/2024 Judgment Day Half Marathon 13.1M Bakersfield, CA This is a very scenic course.
10/06/2024 Lions Turtle Bay Run 13.1M, 10K, 2M Redding, CA We have runners from various parts of the country come to compete in the sport of running.
10/06/2024 Napa Half Marathon 13.1M, 6.5M Napa, CA The Half Marathon and Quarter Marathon is nestled up in the rolling hills of east Napa.
10/06/2024 Peace Officer Memorial Run 13.1M, 5K, 1M Modesto, CA This race was developed to honor the police officers from Stanislaus County who were killed in the line of duty.
10/06/2024 Pumpkin Run 5K Clovis, CA Run or walk along our scarecrow and pumpkin decorated course and earn your pumpkin and start a new family tradition!
10/06/2024 Rock 'n' Roll San Jose Half 13.1M, 10K San Jose, CA Welcome to Speed City, USA! Nicknamed after the legendary San Jose State track teams of the 60s, San Jose is all about speed.
10/06/2024 Urban Cow Half Marathon 5K, 13.1M Sacramento, CA Your favorite fall event, born and grazed in Sacramento, is back.
10/09/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5K (ish) route through the Marina neighborhood and the Presidio.
10/12/2024 Alameda Pint 10K, 5K Alameda, CA TBD. Join us in Alameda Point, Alameda on the morning of the Beer City Festival for a run around the waterfront.
10/12/2024 Belmont Water Dog Run 10K, 5K, 1M Belmont, CA Join us this year for what promises to be the biggest Belmont Water Dog Run ever.
10/12/2024 Bizz Johnson 50K, 26.2M, 13.1M, 10K Susanville, CA The Bizz Johnson Trail Marathon and 50K distances begin at Mason Station with an out and back on McCoy Road.
10/12/2024 Byxbee Parkrun 5K Palo Alto, CA A free, fun, and friendly weekly 5k community event. Walk, jog, run, volunteer or spectate – it's up to you!
10/12/2024 Mt. Umunhum Trail Conquest 50K, 26.2M, 13.1M, 5K San Jose, CA This race starts at the Hacienda Entrance of Almaden Quicksilver Park.
10/12/2024 Run for the Cheese 10K, 5K Riverbank, CA A great Fall race with rolling hills and one of the few 10K courses in the area.
10/12/2024 Ruth Anderson Memorial Endurance Run 100K, 50M, 50K San Francisco, CA Race HQ (bib#s, Start) : Lake Merced Blvd. & Sunset Blvd., San Francisco, CA.
10/13/2024 Big Steps for Little Friends 5K 5K San Francisco, CA NLF’s Big Steps for Little Friends 5K Run/Walk will be at Golden Gate Park.
10/13/2024 Cindy's Race 10K/6K 10K, 6K, 1K Santa Rosa, CA 1 in 8 women will be diagnosed with breast cancer in their lifetime. Cindy is a mother, a wife, a friend who received this diagnosis. So, we race.
10/13/2024 City Beer Runs - Standard Deviant Brewing 10K , 5K San Francisco, CA City Beer Runs combines fully supported 5K and 10K runs with some of the best beer around to create one big run loving social event! Each run starts at a local brew house and works its way through city streets before ending back at the host watering hole for a post run social! Save $5 with coupon code SWEAT.
10/13/2024 Humboldt Redwoods Marathon 26.2M, 13.1M, 5K Weott, CA This race is in Humboldt Redwoods State Park and the Half Marathon follows the second half of the iconic Avenue of the Giants Marathon course.
10/13/2024 Lake Evans 5K/10K 10K, 5K Bakersfield, CA 5K & 10K Run/Walk.
10/13/2024 Run by the Sea 13.1M, 12K, 4K Santa Cruz, CA This unique Half, 12K run, and 4K run/walk meanders along the gorgeous coastal bluffs of California's Central Coast in Santa Cruz and consists mostly of flat, packed dirt trails.
10/13/2024 Run for Education 10K, 5K San Ramon, CA Come for the Run, Stay for the Fun.
10/13/2024 Run for Vision 5K 5K San Francisco, CA Join us at the Run for Vision 5K in October for a great race.
10/13/2024 Scarecrow 2.0 2 Mile Race 10K, 2M Exeter, CA What a great way to kick off cooler weather and run on our new course from Exeter city park through downtown and amongst the scarecrows.
10/16/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5K (ish) route through the Marina neighborhood and the Presidio.
10/18/2024 Lake Tahoe Marathon Weekend 72M, 52.4M, 26.2M, 13.1M South Lake Tahoe, CA October 18-20, 2024.
10/18/2024 Lake Tahoe Marathon: Nevada Half 13.1M South Lake Tahoe, CA The Nevada Half Marathon is a boutique down hill half marathon starting at the top of Spooner Summit, ending on the bike path on Lakeshore Drive.
10/19/2024 Byxbee Parkrun 5K Palo Alto, CA A free, fun, and friendly weekly 5k community event. Walk, jog, run, volunteer or spectate – it's up to you!
10/19/2024 Cal-Neva Marathon 26.2M Lake Tahoe, CA The Cal-Neva Marathon is a boutique marathon limited 100 to a la carte runners. It is run as part of the Tahoe Triple.
10/19/2024 California Gold Rush Trail Run 13.1M, 15K, 10K, 5K Coloma, CA All of the courses are a mix of very appealing singletrack dirt trails and a few paved areas.
10/19/2024 Diablo Summit Stomp 30K, 13.1M, 10K, 5K Coloma, CA Courses are all on dirt trails, heading out from Castle Rock park in Walnut Creek, heading into Mount Diablo State Park -- all the way to the summit for the 30K.
10/19/2024 Donut Fun Run 5K Alameda, CA The Donut Fun Run will be a timed, donut-themed 5k race held at Alameda Point's Seaplane Lagoon Promenade.
10/19/2024 Head for the Cure 5K - San Francisco 5K San Francisco, CA Join us for our annual Head for the Cure 5K - San Francisco as we raise funds, awareness, and hope for the San Francisco brain tumor community!
10/19/2024 John Wayne Grit Series - Lone Pine 13.1M, 10K Lone Pine, CA The run benefits John Wayne Cancer Foundation.
10/19/2024 Lake Tahoe Marathon: Carnelian Bay Half 13.1M Lake Tahoe, CA This boutique half marathon course starts from Carnelian Bay and ends at Meadow Drive & H89.
10/19/2024 Pinkathon Challenge for Breast Cancer 50K, 26.2M, 13.1M, 10M, 10K, 5K San Francisco, CA The Pinkathon will happen as both an In-Person Event on Saturday, October 19, 2024 and as a Virtual Challenge that you can do wherever you want during the month of October!
10/20/2024 Cloverdale Vineyard Races 26.2M, 13.1M, 10K, 5K Cloverdale, CA Join us for our annual event, with all races in the vineyards near the historic Asti Winery!
10/20/2024 Fresno Donut Run 5K Fresno, CA A fun Donut Themed 5k Run & Walk at Woodward Park!
10/20/2024 Half Moon Bay Pumpkin Run 13.1M, 10K, 5K Half Moon Bay, CA The world-famous Half Moon Bay Art & Pumpkin Festival is the season’s signature event, drawing hordes of visitors to the “World Pumpkin Capital” for an epic festival.
10/20/2024 Heart of Cool 13.1M, 10K, 5K Cool, CA Are you looking for a fun run for a great cause? If so, HoC 5k, 10k and half marathon is just what you are looking for!
10/20/2024 Lafayette Reservoir Run 10K, 5K, 2M Lafayette, CA The Run is the city’s most popular “family affair”.
10/20/2024 Lake Tahoe Marathon 26.2M South Lake Tahoe, CA TBD. Sunday's Marathon is the original Lake Tahoe Marathon , and is the 3rd marathon of the Triple Marathon.
10/20/2024 Omar's Dream Run 10K, 5K San Jose, CA All proceeds enable hospitalized and medically supervised children to attend school and stay connected with their teachers and classmates.
10/20/2024 Phil Widener Empire Open 3.4M Santa Rosa, CA Rugged dirt trails, a bit of asphalt bike path, a few short hills, and some wicked competition.
10/23/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5K (ish) route through the Marina neighborhood and the Presidio.
10/26/2024 Big Sur River Run 10K, 5K Big Sur, CA TBD. A beautiful loop course along the Big Sur River and the towering redwood trees of Pfeiffer Big Sur State Park.
10/26/2024 Byxbee Parkrun 5K Palo Alto, CA A free, fun, and friendly weekly 5k community event. Walk, jog, run, volunteer or spectate – it's up to you!
10/26/2024 Miles for Migraine - San Francisco 5K San Francisco, CA This event is a fundraiser for Migraine & Headache Awareness, Treatment & Research.
10/26/2024 Monster Mash Dash Halloween Run 5K Fresno, CA This Halloween-themed annual race is a not to miss event and we guarantee you will experience a spooktacular fun time! Wear a Costume and be in our Costume Contest!
10/26/2024 Napa Wine Country Marathon 26.2M, 13.1M, 10K Calistoga, CA Babbling streams will be your soundtrack as you challenge yourself on the lush singletrack within Bothe-Napa Valley State Park.
10/26/2024 Oakland Hills Trail Run 35K, 13.1M, 10K Oakland, CA A hidden redwood forest lies in the hills just a few miles over the ridge from downtown Oakland.
10/26/2024 Trail Run at Sly Park 50K, 26.2M, 18M, 13.1M, 8.5M, 10K, 5K Pollock Pines, CA This event is held at the Sly Park Recreation Area in Pollock Pines, and it’s held under special use permit with the El Dorado National Forest.
10/27/2024 Bakersfield Monster Mash Dash 5K Bakersfield, CA This Halloween-themed annual race is an event that you won't want to miss and we guarantee you will experience a spooktacular fun time!
10/27/2024 Dia De Muertos 5K 5K Clovis, CA Join us at this special celebration for "Dia de los Muertos"! Participants are encouraged to dress in their Dia de los Muertos make up and costumes!
10/27/2024 LMJS Fourth Sunday Race - October 15K, 10K, 5K Oakland, CA The distances offered at these races are a 5K (once around the Lake), a 10K (two times around), and 15K (three times around).
10/27/2024 Marin County Half Marathon 13.1M, 10K, 5K San Rafael, CA Featuring several waterfront events from triathlon to half marathon, this is your endurance festival weekend!
10/30/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.

November 2024

Date Event Distance Location Description
11/01/2024 Alameda Halloween Havoc 5K 5K Alameda, CA This traditional 5K is out and around Alameda Point. The course will be well marked and showcase the beautiful views at sunset.
11/02/2024 Almaden Hills Run 50K, 26.2M, 21M, 13.1M, 8M, 10K, 5K San Jose, CA This event is set in Almaden Quicksilver Park, in the beautiful hills of Almaden Valley. In a nutshell: It's challenging and very fun. Volunteers get a free future race.
11/02/2024 Byxbee Parkrun 5K Palo Alto, CA What is Byxbee Parkrun? A free, fun and friendly weekly 5K community event. Join us every Saturday at 800a.m. in Byxbee Park.
11/02/2024 Dia de los Muertos Run 10K, 5K San Jose, CA This event will feature a family friendly 5K and 10K run/walk route, music, entertainment and a health resource fair. Participants are encouraged to dress in their Dia de los Muertos make-up and costumes.
11/02/2024 Lodi Heroes Run 10K, 5K Lodi, CA Enjoy a day filled with something for everyone!
11/02/2024 Rio Del Lago 100M Granite Bay, CA We are excited to have you join us for this 100 mile event. It offers a variety of terrains that novice and veteran runners will enjoy.
11/02/2024 San Luis Obispo Spartan Trifecta Weekend 50K, 21K, 1K Santa Margarita,CA This event is a Trifecta Weekend, giving racers the ability to complete a Trifecta (Sprint 5K, Super 10K & Beast 21K) in just one weekend.
11/02/2024 Zombie Runner Halloween 26.2M, 13.1M, 10K, 5K San Jose, CA Run in your Halloween costume along popular Coyote Creek and win a prize. The course is relatively flat, easy to follow and will be marked with directional signage the entire way.
11/03/2024 Almond Bowl 10K, 5K Chico, CA Keeping with the Chico tradition we will be hosting a 5k and 10k race starting on South Park Drive and finishing near the Sycamore Field.
11/03/2024 Golden Gate Half Marathon 13.1M, 5K San Francisco, CA For longtime locals and first-time visitors alike, this course provides an extraordinary look at San Francisco.
11/03/2024 Lake Merced Single Loop Run 4.5M San Francisco, CA Race check-in/race day registration begins 45 minutes prior to race start. Course details are subject to race day modifications based on weather, construction and other factors.
11/03/2024 San Luis Obispo Spartan Trifecta Weekend 10K, 5K, 1K Santa Margarita,CA This event is a Trifecta Weekend, giving racers the ability to complete a Trifecta (Sprint 5K, Super 10K & Beast 21K) in just one weekend.
11/03/2024 Saratoga 5K 5K Saratoga, CA The Saratoga Education Foundation is excited to announce our annual 5K Fun Run and Walk.
11/03/2024 Two Cities Marathon 26.2M, 13.1M, 10K, 5K Fresno, CA All start and finish activities will be located at beautiful Clovis Community College. This Boston qualifying marathon offers a scenic and truly flat course.
11/03/2024 Willow Hills XC 5K Folsom, CA This event will take place at the Willow Hills Reservoir Community Park. The course is run in two loops of rolling hills and around the reservoir.
11/06/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
11/08/2024 Nor Cal Backyard Ultra 4.2M Laps Granite Bay, CA This is an unparalled trail race set against the stunning backdrop of Folsom Lake in Granite Bay. Discover an unmatched test of stamina and reslove in this one-of-a-kind event.
11/09/2024 Byxbee Parkrun 5K Palo Alto, CA What is Byxbee Parkrun? A free, fun and friendly weekly 5K community event. Join us every Saturday at 800a.m. in Byxbee Park.
11/09/2024 Mermaid Trail Run 6H, 13.1M, 9M, 6M, 3M Woodside, CA Run, jog or walk through the magical forest of towering redwoods and lush trails at Huddart Park in Woodside.
11/09/2024 Tulare Santa Fe Trail-A-Thon 5K 5K Tulare, CA All sponsorships benefit this organization's high school scholarship program.
11/10/2024 Clarksburg Country Run 30K, 13.1M, 10K, 5K Clarksburg, CA This nearly 60 year old race offers a variety of race distances and you can enjoy a complimentary lunch and a mimosa after the race along with your swag.
11/10/2024 Kennedy Drive Run 8K San Francisco, CA Race check-in/race day registration begins 45 minutes prior to race start. Course details are subject to race day modifications based on weather, construction and other factors.
11/10/2024 Miles for Melanoma - San Francisco 5K San Francisco, CA This annual signature event will bring together local melanoma patients, survivors, care partners, supporters and health care heroes to fund raise and help continue the fight against Melanoma.
11/10/2024 Monterey Bay Half Marathon 13.1M, 5K, 3K Monterey, CA The half marathon begins and ends in historic downtown Monterey, runs along Cannery Row and next to the Pacific Grove Shoreline.
11/10/2024 Run the Parkway 20M, 13.1M Sacramento, CA This event will include an approximately four mile untimed Nature Walk! Walkers may turn aound at any point.
11/10/2024 TCRS #10 5K Marin, CA This run is part of a series but you can join in any time. This series is designed for participants to experience the whole variety of running venues in Marin County.
11/11/2024 Veteran's Day Run 10K, 5K Porterville, CA It features a 10K run, 5K run, 5K walk and a free kids' run. Finish the race and stay for one of Porterville's largest parades of the year. Come for the race and enjoy the community.
11/13/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
11/15/2024 Southwest Series 26.2M, 13.1M Nipton, CA We have a "no runner left behind" policy and we happily stay until the final finisher crosses the line. Walkers and strollers welcome.
11/16/2024 Berkeley Family Fun Run 1K Berkeley, CA Kick off the fun community weekend by walking or running together before the expo opens.
11/16/2024 Byxbee Parkrun 5K Palo Alto, CA What is Byxbee Parkrun? A free, fun and friendly weekly 5K community event. Walk, jog, volunteer or spectate. It's up to you! Join us every Saturday at 800a.m. in Byxbee Park.
11/16/2024 Falcon Crest Winter Trail Challenge 13.1M, 8.5M, 10K, 5K El Dorado Hills, CA Date TBD. The course follows the trails surrounding Jenkinson Lake through endless pine trees and buttery horse trails.
11/16/2024 Lake Chabot Trail Run 50K, 26.2M, 30K, 13.1M, 5M Castro Valley, CA The course starts at the Marina and travels around the popular Lake Chabot Reservoir and surrounding hills.
11/16/2024 Mt. Tam Trail Run 50K, 30K, 13.1M, 10K Stinson Beach, CA Mt. Tam Trail Run begins at Stinson Beach and climbs to perched views from Tam before returning via some of the best trails the Headlands have to offer.
11/16/2024 NorCal Spartan Event Weekend 10K NorCal, CA Welcome to Nor Cal Spartans! This venue is sure to test your strength, stamina and grit. This event is open to all fitness levels, from beginners to elite athletes.
11/16/2024 Tierra Redonda Mountain Trail Run 48H, 24H, 21K, 10K Bradley, CA This event features a runnable 5km, 10km, 20km, 24 hour and 48 hour run on a 10km, 100% dirt, single track trail loop course.
11/16/2024 Wascally Wabbit Trail Race 10K, 7K Fresno, CA Feel the sense of satisfaction when you complete this race knowing you have also helped a great cause, helping foster care children attain higher education.
11/17/2024 Apple Hill Half Marathon 13.1M, 5K, Camino, CA All races wind through scenic neighborhoods and fruit ranches of Apple Hill, along moderately undulating paved roads.
11/17/2024 Berkeley Half Marathon 13.1M, 10K, 5K, 1K Berkeley, CA Choose your race or better together -make a team! Thousands of runners will fill the streets to run this hometown favorite!
11/17/2024 NorCal Spartan Event Weekend 5K NorCal, CA Welcome to Nor Cal Spartans! This venue is sure to test your strength, stamina and grit. This event is open to all fitness levels, from beginners to elite athletes.
11/20/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
11/23/2024 Byxbee Parkrun 5K Palo Alto, CA What is Byxbee Parkrun? A free, fun and friendly weekly 5K community event. Join us every Saturday at 800a.m. in Byxbee Park.
11/23/2024 Davis Turkey Trot 13.M, 10K, 5K Davis, CA Enjoy a run/walk through Davis' residential neighborhoods and green belts.
11/23/2024 Golden Gate Trail Classic 50K, 50M San Francisco, CA Our race is held in one of the most picturesque, natural environments in the U.S.
11/23/2024 Hands of Hope Turkey Trot 10K, 5K Yuba City, CA Race will be held at Riverbend Elementary 301 Stewart Road Yuba City CA.
11/24/2024 Fort to Fort 10K 10K San Francisco, CA Race check-in/race day registration begins 45 minutes prior to race start. Course details are subject to race day modifications based on weather, construction and other factors.
11/24/2024 Golden Gate Trail Classic 25K, 15K San Francisco, CA Experience the Golden Gate Magic! Start in the iconic city of San Francisco, travel across the Golden Gate Bridge and venture into the fabled Marin Headlands.
11/24/2024 LMJS Fourth Sunday Race 15K, 10K, 5K Oakland, CA The Fourth Sunday Runs are held every month except May (Tilden Tough Ten) and June (Woodmonster!) on the fourth Sunday of the month.
11/24/2024 Manda Run 13.1M, 5K Loomis, CA The Manda Half Marathon enjoys a unique point-to-point scenic route with gently rolling terrain starting in Auburn at Placer High School and finishing at the Train Depot in Downtown Loomis.
11/26/2024 Left Over Turkey Trot Crockett 10K, 5K, 1K Oakland, CA Enjoy beautiful Bay Area scenery as you run through miles in the pretty hills of Crockett.
11/27/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
11/28/2024 Bakersfield Turkey Day Run 5K, 1M Bakersfield, CA Start Thanksgiving Day off by starting or continuing a new family tradition at the Bakersfield Turkey Day Run on Thanksgiving morning!
11/28/2024 Bishop Ranch Turkey Trot 5K San Ramon, CA Join us on Thanksgiving Day for a 5K run/walk that starts in the heart of City Center and takes you around Lake Annabel along safe paths and gardens.
11/28/2024 Cayucos Turkey Trot 5K 5K Cayucos, CA Thanksgiving Day Family 5K Fun Run/Walk. Kids under 12 run free. Dogs, strollers and kiddos on scooters are welcome.
11/28/2024 Clovis Turkey Day Run 5K, 2M Clovis, CA What a great way to start your Thanksgiving! Trot on over on Thanksgiving morn and then eat your Thanksgiving feast guilt free.
11/28/2024 Concord California Turkey Trot 5K 5K Concord, CA This event benefits Loaves and Fishes of Contra Costa. The course includes varied terrain including grassy fields, park pathways and city streets.
11/28/2024 Elk Grove Gobble Wobble 5K Elk Grove, CA Join us as we lace up our running shoes and come together for a morning of family fun and fitness at our Annual Elk Grove Gobble Wobble 5k Run/Walk.
11/28/2024 Marin Turkey Trot 10K, 5K, 1M Novato, CA Don't miss out on joining in the Bank of Marin Turkey Trot. Run before you feast! Register before the race sells out! Let's run!
11/28/2024 Napa Valley Turkey Chase 10K, 5K Napa, CA The Napa Valley Turkey Chase is a fun family event! Race, jog or walk this fast course around the Napa Valley College and the Napa River Trail to work up your Thanksgiving appetite!
11/28/2024 Oakland Turkey Trot 5K Oakland, CA Earn your days indulgence at the Oakland Turkey Trot on Thanksgiving morning!
11/28/2024 Run to Feed the Hungry 10K, 5K Sacramento, CA Join us Thanksgiving morning to celebrate with friends and family to raise awareness about food insecurities in our community.
11/28/2024 Santa Rosa Turkey Trot 5K Santa Rosa, CA The Turkey Trot is an out-and-back course along the Prince Memorial Greenway Trail. Check the website for "FAST" Turkey and "TINY" Turkey.
11/28/2024 Sea Ranch Turkey Trot 5K Sea Ranch, CA Neighbors, friends and family are invited to join a casual, unofficial and unsupported 5K through Sea Ranch roads and trails. You are welcome to jog, run, walk or volunteer.
11/28/2024 Silicon Valley Turkey Trot 10K, 5K San Jose, CA Start Thanksgiving Day off on the right foot at the Applied Materials "Silicon Valley Turkey Trot". Many have made the run or walk a Thanksgiving Day tradition.
11/28/2024 Solano Turkey Trot 10K, 5K Fairfield, CA We can't wait to see old friends and make new ones each year at the Solano Turkey Trot!
11/28/2024 Visalia Emergency Aid Race Against Hunger 10K, 5K, 2M Visalia, CA Join us for the largest Thansgiving Run in the Central Valley. Help us turn miles into meals as we "Race Against Hunger".
11/28/2024 Zoom Turkey Trot 13.1M, 10K, 5K San Jose, CA Run along the popular Coyote Creek trail Thanksgiving morning and stand to win a turkey!
11/30/2024 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
11/30/2024 Quad Dipsea 28M Mill Valley, CA You must run the famed Dipsea Trail as marked. There is a total of 9200 feet of climb and an equal amount of descent in the 28 miles. Lottery opens in August.

December 2024

Date Event Distance Location Description
12/01/2024 McGuire's Breakfast Runs 8K, 3K Santa Rosa, CA Two events - run for fun or as competitive as you like.
12/01/2024 Spreckles Lake 5K 5K, 1M San Francisco, CA Two races in one! Challenge yourself with a moderately uphill 1 mile race, a scenic 5K loop or both!
12/04/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
12/07/2024 Bakersfield Rudolph Run 5K Bakersfield, CA A Bakersfield family tradition! Bring a partner and enjoy a fun morning of music and reindeer games.
12/07/2024 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
12/07/2024 Calero Trail Run 50K, 26.2M, 25K, 13.1M, 15K, 10K, 5K San Jose, CA Beginning at Calero County Park, this trail run has everything!
12/07/2024 High Desert 50K Ultra & 30K 50K, 30K Ridgecrest, CA Loop course over rolling desert terrain on jeep roads, single track trails, and sandy washes.
12/07/2024 Last 10K & Final 2 Mile 10K, 2M Santa Rosa, CA TBD.
12/07/2024 MaraFUNrun 5K Sacramento, CA Runnin’ for Rhett hosts the MaraFUNrun in Land Park this year! 3,000 youth athletes from the Sacramento area take part in a 5K race.
12/07/2024 Midway Shelter Winter 5K 5K Alameda, CA Join us for another year of the Midway Shelter Winter run and walk.
12/07/2024 Peacock Gap Trail Run 30K, 13.1M, 10K San Rafael, CA The courses wind along thick forests and descend out into open trails on the San Pablo Bay side of the park.
12/07/2024 Reindeer Run 10K, 5K American Canyon, CA There is something for everyone at the Reindeer Run. We welcome runners and walkers of every level to American Canyon.
12/07/2024 San Joaquin River Trail Run 100K, 50K, 25K Friant, CA Come out and run some of the best trails in the valley along Millerton Lake and the San Joaquin River.
12/07/2024 ZombieRunner Quarry Lakes Run 26.2M, 30K, 13.1M, 10K, 5K Fremont, CA The course starts in the scenic Quarry Lakes Regional Recreation area and follows the popular Alameda Creek Trail up to the mouth of Niles Canyon.
12/08/2024 Baker Beach 5K 5K San Francisco, CA Upon exiting lower Baker Beach parking lot, immediately turn left on Battery Chamberlin Rd and run up to and through upper parking lot
12/08/2024 California International Marathon 26.2M, 2.6M Sacramento, CA Our point-to-point, net-downhill course has remained unchanged for 40 years, starting from Folsom’s scenic foothills and ending at the historical California State Capitol.
12/08/2024 City Beer Runs 10K, 5K San Francisco, CA Your classic City Beer Runs brewery run features a supported fun run from our host brewery and post-run social complete with a complimentary beer and the infamous CBR raffle!
12/08/2024 Hanukkah 8 Krazy Kilometers 8K, 2K Bakersfield, CA Runners, joggers and walkers of all ages are invited to the annual Hanukkah 8 Krazy Kilometers.
12/08/2024 Krampus Cross Country 5K/10K 10K, 5K San Francisco, CA This one is special for a few reasons... It's the ONLY trail event/race taking place in SF. It's the ONLY event/race featuring Krampus (The Christmas Devil).
12/08/2024 Santa Skivvies Run 1M San Francisco, CA Santa Skivvies Run is an annual holiday underwear fun run/walk and fundraiser benefiting San Francisco AIDS Foundation.
12/11/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
12/14/2024 12Ks of Christmas 12K, 2M Redding, CA Both races will start at 9am from Lake Redding Park.
12/14/2024 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
12/14/2024 Clovis Rudolph Run 5K Clovis, CA Continue the newest family tradition! Bring friends and enjoy a fun morning of music and Reindeer Games!
12/14/2024 Hark The Herald Half Marathon 13.1M, 10K Tiburon, CA You'll fall in love with San Francisco all over again as you follow this hilly loop trail circumnavigating Angel Island.
12/14/2024 Jingle Bell 5K 5K Sausalito, CA TBD. Jingle Bell 5K and Brunch.
12/14/2024 Jingle Bell Run - Sacramento 5K Sacramento, CA Be part of the original festive race for charity and signature Arthritis Foundation holiday event! Wear your favorite holiday attire and together, we’ll jingle all the way to a cure!
12/14/2024 Jingle Bell Run for Toys for Tots 5K Fresno, CA Each year the event welcomes 3,000+ participants and is fast becoming a family annual tradition and raising toys and cash for the Toys for Tots campaign.
12/14/2024 Modesto Spirit of Giving 5K 5K Modesto, CA TBD.
12/14/2024 Palo Alto Double 15K, 10K, 5K Palo Alto, CA Bring the whole family and enjoy our pre Christmas events. Everybody gets a Santa Hat and all finishers get a medal.
12/15/2024 Santa Hustle - Roseville 13.1M, 5K Roseville, CA It’s the MOST wonderful time of the year! So, find that Christmas spirit and join us.
12/15/2024 Santa Run Silicon Valley 5K San Jose, CA The Santa Run Silicon Valley offers a variety of family fun events from a 5K run/walk to a Kids Reindeer dash.
12/15/2024 Visalia Jingle Bell Run for Toys for Tots 2M Visalia, CA Run/Walk our 5k Timed course or enjoy our 2 Mile Walk non-timed course through Mooney Park.
12/18/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
12/21/2024 Bakersfield Jingle Bell Run for Toys for Tots 5K Bakersfield, CA The Jingle Bell Run will feature a Christmas designed Sweatshirts and Jingle Bells to all registered participants.
12/21/2024 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
12/21/2024 Woodside Ramble 50K, 35K, 13.1M, 10K Redwood City, CA Distances of 10K, Half Marathon, 35K and 50K make for the perfect proving grounds for runners, and hikers, of all abilities.
12/22/2024 LMJS Fourth Sunday Race 15K, 10K, 5K Oakland, CA Come join us at Lake Merritt for one of the East Bay's favorite races!
12/22/2024 Rainbow Falls Holiday 5K 5K San Francisco, CA Start/Finish: JFK & Transverse Drive, Golden Gate Park
12/24/2024 Placerville's Holiday Jingle and Mingle Run 13.1M, 15K, 10K, 5K Placerville, CA This event is run on the El Dorado Trail in beautiful historic Placerville. The path is surrounded with beautiful oak trees, rolling hills, and incredible views.
12/25/2024 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
12/28/2024 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
12/29/2024 Windmill 10K 10K San Francisco, CA Start/Finish: JFK Drive & Dutch Windmill in Golden Gate Park
12/31/2024 New Year's One Day 24H, 100M, 12H, 6H San Francisco, CA Start the New Year running as far as you can or as little as you want. Sign up individually or as a team!

January 2025

Date Event Distance Location Description
01/01/2025 Clovis New Years Day 5K 5K, 2M Clovis, CA As the old year comes to a close, we welcome the New Year with hope and optimism! Join us for a 5K competitive run or a 5K fun run/walk!
01/01/2025 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio.
01/04/2025 Byxbee Parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/04/2025 Hacienda Hills Run (Winter) 50K, 26.2M, 30K, 13.1M, 9M, 10K, 5K San Jose, CA Located just outside of San Jose at the Almaden Quicksilver County Park, we are having a spectacular day of Northern California trail running.
01/04/2025 New Year's Duathlon & 5K 5K Granite Bay, CA The New Year's 5K Run/Walk is on a beautiful and fun course with nature trails and lake views. Not to be missed!
01/08/2025 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio.
01/11/2025 Byxbee Parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/11/2025 Castle to Coast Fun Run 8.2M San Simeon, CA We are looking forward to seeing you at the start line for 8.2 miles of beautiful ocean views running on our well marked course.
01/11/2025 IPA Beer Run 12K, 5K Granite Beach, CA The IPA Trail Run features two courses, each with scenic lake views on well-marked single track trails.
01/11/2025 No Hands Trail Run 50K, 35K, 13.1M, 8K Auburn, CA Participants will run along the historic Western States Trail to "No Hands Bridge", the dreaded K2 training hill and then the punishing Overlook Hill to the finish line.
01/11/2025 Salmon Falls Half & Full Marathon 26.2M, 13.1M Salmon Falls, CA Right from the start runners will begin climbing and descending hills. They will pass through native oak groves, open grass meadows and an overlook thick with manzanita.
01/12/2025 Hot Chocolate 15K/5K 15K, 5K San Francisco, CA A chocolate lover's oasis waits at the post-race party! Celebrate your accomplishment with a finisher mug that includes fondue, dippables and our very own hot chocolate!
01/15/2025 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio.
01/18/2025 Byxbee Parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/18/2025 LLS Bertman 5K & 10K 10K, 5K Gold River, CA Join us for a fun run to raise crucial funds for Leukemia and Lymphoma Society (LLS) in honor of Bert Vicchio (Bertman). This is an out and back course on the American River Trail.
01/19/2025 Redding Marathon 26.2M, 5K Redding, CA Enjoy a scenic journey down stream along the Sacramento River on paved running trails. Watch for bald eagles, osprey and other wildlife!
01/22/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
01/25/2025 Byxbee Parkrun 5k Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/25/2025 Folsom Lake Sweetwater Trail Run 50K, 26.2M, 30K, 13.1M, 9M, 10K, 5K El Dorado Hills, CA This race is run on 95% single-track and 5% dirt road. The course primarily follows the South Side Trail.
01/25/2025 Fort Ord Trail Run 50K, 25K, 10K Monterey, CA Fort Ord was a U.S. Army post on Monterey Bay in California. This trail run is limited to 500 runners.
01/25/2025 Gumby 10K & 5K 10K, 5K Granite Bay, CA This race features a beautiful trail course along the shores of Folsom Lake. It has plenty of aid stations and cheering volunteers and is well-marked.
01/25/2025 Monterey Ultra 50M Monterey, CA At the Monterey Ultra you will run on just about every type of trail. The course consists of a 35 mile loop and a 15 mile loop with plenty of aid stations and beautiful views.
01/25/2025 Race to the Flagpole 10K, 5K, 1M Livermore, CA This event is open to all ages and abilities. We host this event to encourage awareness and appreciation for fitness, as well as to foster community pride.
01/26/2025 LMJS Fourth Sunday Race 15K, 10K, 5K Oakland, CA All those interested in running, whether beginner, walker, jogger or competitive racer are welcome to join our monthly runs.
01/29/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.

February 2025

Date Event Distance Location Description
02/01/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/01/2025 Cupid's Undie Run - San Francisco 1M San Francisco, CA Cupid’s Undie Run kicks off with drinking and dancing, then we jog it out with a mile(ish) run and end it all with an epic dance party!
02/01/2025 Death Valley Marathon 26.2M, 13.1M, 10K Death Valley, CA Enjoy an out-and-back relatively flat course. You'll admire the beauty of the surrounding desert as you follow this paved run through the heart of Death Valley National Park.
02/01/2025 Golden Gate Trail Run 26.2M, 30K, 13.1M, 8K Sausalito, CA Enjoy vistas of the Pacific Coast and of the spectacular Marin Headlands with views of Tiburon, San Francisco and the Golden Gate Bridge.
02/01/2025 Mt. Umunhum Trail Conquest 50K, 26.2M, 30K, 13.1M, 7M, 5K San Jose, CA This race starts at the Hacienda Entrance of Almaden Quicksilver Park. The 30K, Trail Marathon, and 50K travel into the Sierra Azul Open Space Preserve.
02/01/2025 Superb Owl Run 5K, 2M Clovis, CA Celebrate football season with walkers, runners, football fans, and owl aficionados!
02/02/2025 Hensley Off Road Race 10K Fresno, CA Hensley Lake's Buck Ridge Trail has everything a rider and runner could want!
02/02/2025 Kaiser Permanente San Francisco Half Marathon 13.1M, 10K, 5K San Francisco, CA A runners’ favorite for its scenery and value. Fast and certified course through San Francisco’s scenic Golden Gate Park.
02/05/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/08/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/08/2025 Escape from Folsom 10 Miler and 5K 10M, 5K Granite Bay, CA The Escape from Folsom 5K and 10 Miler both have new courses on scenic trails along the shoreline of Folsom Lake.
02/12/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/15/2025 Bakersfield Coffee Run 10K, 5K, 2K Bakersfield, CA The run you have BEAN waiting for is here!
02/15/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/15/2025 Fresno Valentine Run 5K, 2M Fresno, CA A family tradition since 2002!
02/15/2025 Redtail Ridge 50K, 30K, 13.1M, 10K, 5K Castro Valley, CA This is one of our typically faster races with less elevation and some paved sections.
02/19/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/22/2025 Beer City Half Marathon 13.1M, 10K, 5K Santa Rosa, CA Kick off Beer City Festival with a run along Santa Rosa Creek.
02/22/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/22/2025 Lost Trail Half Marathon 13.1M, 5K Granite Bay, CA The Lost Trail 5K and Half Marathon have very well-marked courses that offer scenic lake views with lots of beautiful wildflowers in between well-stocked aid stations.
02/22/2025 Montara Mountain Trail Run 50K, 26.2M, 20M, 13.1M, 10K Pacifica, CA Montara Mountain features the only undisturbed Coastal Mountain Habitat found over 100 miles of coastline.
02/22/2025 Support Blue Run 10K, 5K Fresno, CA Join us at this year's Support Blue Run to show your support for our men and women in law enforcement who protect our Valley.
02/23/2025 Davis Stampede Half Marathon 13.1M, 10K, 5K, 2K Davis, CA The Davis Stampede takes place each year in February, and includes 5K, 10K and Half Marathon routes.
02/23/2025 LMJS Fourth Sunday Race 15K, 10K, 5K Oakland, CA All those interested in running, whether beginner, walker, jogger or competitive racer are welcome to join our monthly runs.
02/23/2025 Surfer's Path 10K/5K 10K, 5K Santa Cruz, CA The Surfer’s Path event offers both a 10k and 5k race, providing participants with an opportunity to engage in a scenic run or walk along the captivating coastline.
02/26/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.

Did we miss any races? Please email us the race details (including web site URL) and you'll be entered in a monthly contest to win cool prizes. Race details should be sent to calendar@sweattracker.com