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Race Calendar

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December 2021

Date Event Distance Location Description
12/04/2021 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
12/04/2021 Calero Park Run 50K, 25K, 13.1M, 15K, 10K, 5K San Jose, CA Beginning at Calero County Park, this trail run has everything! Experience awesome single track, great hills, and dirt paths.
12/04/2021 Crissy Field Park Run 5K San Francisco, CA It is a 5km run - it's you against the clock.
12/04/2021 Death Valley Trail Marathon & Half Marathon 26.2M, 13.1M Death Valley National Park, CA This scenic wilderness trail run is on a gravel jeep road from Beatty, NV through the picturesque Titus Canyon, finishing in Death Valley.
12/04/2021 Kaweah Country Run 10K, 5K Three Rivers, CA The Kaweah Country Run is three events on two scenic out-and-back courses that utilize the historic Kaweah Trails in the lake bottom of Lake Kaweah.
12/04/2021 Peacock Gap Trail Run 13.1M, 10K, 5K San Rafael, CA An extensive trail network will greet you with views of Mt. Tam, San Pablo Bay, and San Francisco Bay as you traverse twisting single-track trails, climbing up and over the peak.
12/05/2021 California International Marathon 26.2M, 2.6M Sacramento, CA Our point-to-point, net downhill course has remained unchanged for 37 years, providing over 100,000 runners of all speeds the best chance to achieve their marathon goals.
12/08/2021 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
12/11/2021 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
12/11/2021 Crissy Field Park Run 5K San Francisco, CA We all run for own enjoyment. Please come along and join in whatever your pace!
12/11/2021 Fresno 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.
12/11/2021 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.
12/11/2021 Run Walnut Creek 13.1M, 10K, 5K Walnut Creek, CA The Walnut Creek Half Marathon is a fun and exciting course for all; runners and walkers alike enjoy this course for its ever-changing scenery and spirited volunteers along the route.
12/12/2021 City Beer Runs - Barebottle 5K, 10K San Francisco, CA Run for stress relief, run for fitness, run for fun... just run. If you love the feeling of the pavement flying by beneath your feet - and a well-deserved celebration afterward - a City Beer Runs 5K or 10K is for you. Save $5 with coupon code SWEAT.
12/12/2021 Krampus Cross Country 5K/10K 10K, 5K San Francisco, CA TBD. 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).
12/12/2021 Napa to Sonoma Wine Country Half Marathon 13.1M, 5K Sonoma, CA The world-renowned Napa and Sonoma Valleys serve as the host of this incredible event; offering the finest in wine country ambience and hospitality.
12/12/2021 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 on Sunday, December 12, 2021 at Vernon Street Town Square.
12/12/2021 ZombieRunner Quarry Lakes Run 26.2M, 30K, 13.1M, 10K, 5K Fremont, CA TBD. 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.
12/15/2021 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
12/18/2021 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.
12/18/2021 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
12/18/2021 Christmas 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.
12/18/2021 Crissy Field Park Run 5K San Francisco, CA We all run for own enjoyment. Please come along and join in whatever your pace!
12/18/2021 Last 10K & Final 2 Mile 10K, 2M Santa Rosa, CA Race in your Ugly Christmas sweater and be entered in a contest for a special prize!
12/18/2021 Woodside Ramble 50K, 35K, 13.1M, 10K Redwood City, CA TBD. Distances of 10K, Half Marathon, 35K and 50K make for the perfect proving grounds for runners, and hikers, of all abilities.
12/19/2021 Santa Run Silicon Valley 5K San Jose, CA TBD. This 5K Run/Walk is fun for the whole family and we encourage you to dress up as your favorite holiday character or tradition.
12/21/2021 Christmas Lights Fun Run 5M Merced, CA We will run on city streets starting and finishing at Me-n-Ed's Pizzeria, running through nearby neighborhoods and see the Christmas light decorations.
12/22/2021 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
12/24/2021 Christmas Eve Fun Run 5M Merced, CA TBD. The loop is about 5.3 miles, out and back on the bike path along Bear Creek.
12/25/2021 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
12/25/2021 Crissy Field Park Run 5K San Francisco, CA We all run for own enjoyment. Please come along and join in whatever your pace!
12/26/2021 LMJS Fourth Sunday Race 15K, 10K, 5K Oakland, CA Participation ribbons are given to all runners and place ribbons are awarded to the top runners, both male and female in ten year age groups.
12/29/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.

January 2022

Date Event Distance Location Description
01/01/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/01/2022 Crissy Field parkrun 5K San Francisco, CA What is Crissy Field Park Run? It is a 5K run-it's you against the clock. When is it? Every Saturday at 9:00am.
01/01/2022 Frosty Fun Run - Lake Redding Park 4M, 2.5M Redding, CA This fun event takes place at Redding Park at an early 8am! Join us for the Frosty Fun Run.
01/05/2022 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio.
01/08/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/08/2022 Crissy Field Park Run 5K San Francisco, CA What is Crissy Field Park Run? It is a 5K run-it's you against the clock. When is it? Every Saturday at 9:00am.
01/08/2022 Frosty Fun Run - Lake Redding Park 4.3M, 2M Redding, CA Registration only on race day from 7-8am. Rain or shine. Refreshments will be available after the run.
01/08/2022 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!!!
01/09/2022 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!
01/12/2022 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio.
01/15/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/15/2022 Crissy Field parkrun 5K San Francisco, CA What is Crissy Field Park Run? It is a 5K run-it's you against the clock. When is it? Every Saturday at 9:00am.
01/15/2022 Rio Bravo Rumble 10K, 5K Bakersfield, CA It is once again time to lace up those shoes for the Rio Bravo Rumble. If you have run with us before then you know you are in for one of heck of a time.
01/16/2022 Castle to Coast Fun Run 8.2M San Simeon, CA We are looking forward to seeing you at the start line for 8.2miles of beautiful ocean views running on our well marked course.
01/16/2022 The 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!
01/19/2022 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio.
01/22/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/22/2022 Crissy Field parkrun 5K San Francisco, CA What is Crissy Field Park Run? It is a 5K run-it's you against the clock. When is it? Every Saturday at 9:00am.
01/22/2022 Frosty Fun Run - Fleet Feet 5.5M, 2M Redding, CA Registration is only on race day from 7-8am. Rain or shine. Refreshments will be available to all after the runs.
01/23/2022 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.
01/26/2022 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
01/29/2022 Byxbee Parkrun 5k Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/29/2022 Crissy Field parkrun 5K San Francisco, CA What is Crissy Field Park Run? It is a 5K run-it's you against the clock. When is it? Every Saturday at 9:00am.
01/29/2022 Frosty Fun Run - Clover Creek Preserve 4M, 2.4M Redding, CA Registration is only on race day from 7-8am. Rain or shine. Refreshments will be available to all after the runs.
01/29/2022 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.

February 2022

Date Event Distance Location Description
02/02/2022 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/05/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/05/2022 Crissy Field parkrun 5K San Francisco, CA What is Crissy Field Park Run? It is a 5K run-it's you against the clock. When is it? Every Saturday at 9:00am.
02/05/2022 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.
02/05/2022 Frosty Fun Run 4M, 2M Redding, CA Registration is only on race day from 7-8am. Rain or shine. Refreshments will be available to all after the runs.
02/05/2022 Ordnance 100K 100K Monterey, CA TBD. You’ll run on just about every type of trail there is during this 62 mile tour.
02/06/2022 Kaiser Permanente San Francisco Half Marathon 13.1M, 10K, 5K San Francisco, CA The Kaiser Permanente San Francisco Half Marathon® is a runners’ favorite for its scenery and value. Fast and certified course through San Francisco’s scenic Golden Gate Park.
02/09/2022 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/12/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/12/2022 Crissy Field parkrun 5K San Francisco, CA What is Crissy Field Park Run? It is a 5K run-it's you against the clock. When is it? Every Saturday at 9:00am.
02/12/2022 Frosty Fun Run 4M, 2M Redding, CA Registration is only on race day from 7-8am. Rain or shine. Refreshments will be available to all after the runs.
02/16/2022 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/19/2022 Buzz Marathon 26.2M, 13.1M, 10K, 5K San Miguel, CA All races are run on the grounds of Camp Roberts, just north of San Miguel, California. Out-and-back course on paved road with dirt and packed gravel shoulders.
02/19/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/19/2022 Crissy Field parkrun 5K San Francisco, CA What is Crissy Field Park Run? It is a 5K run-it's you against the clock. When is it? Every Saturday at 9:00am.
02/19/2022 Frosty Fun Run 4M, 2M Redding, CA Registration is only on race day from 7-8am. Rain or shine. Refreshments will be available to all after the runs.
02/23/2022 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/26/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/26/2022 Crissy Field Park Run 5K San Francisco, CA It is a 5k run- it's you against the clock. Every Saturday at 9:00am.
02/26/2022 Frosty Fun Run 4M, 2M Redding, CA Registration is only on race day from 7-8am. Rain or shine. Refreshments will be available to all after the runs.
02/27/2022 Almond Blossom Run 10K, 5K Durham, CA TBD We're not just another run in the park ... join us in Durham for a beautiful Sunday morning with the almond trees in full bloom!
02/27/2022 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.

March 2022

Date Event Distance Location Description
03/02/2022 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
03/05/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
03/05/2022 Crissy Field parkrun 5K San Francisco, CA Crissy Field parkrun takes place every Saturday at 9:00am
03/05/2022 March for Meals 5K, 1M Roseville, CA We walk to help those seniors who can’t. Support Meals on Wheels of Placer County by registering for the walk or donating today.
03/05/2022 Sanborn Trail Challenge 13.1M. 8M, 4M Saratoga, CA The course is 95% single track trail, extremely mountainous, very technical, lushly wooded with a mixed evergreen forest.
03/05/2022 Way Too Cool 50K Endurance Run 50K Cool, CA This race has become the most sought after 50K in the US for veterans and novices alike.
03/06/2022 Livermore Valley Half Marathon 13.1M, 5K Livermore, CA Join us at the Annual Livermore Valley Half Marathon in California’s oldest wine region featuring a ‘Best of the Bay’ awarded 13.1 miles, followed by the famed wine, beer & music festival in the heart of Downtown Livermore.
03/06/2022 Lunar New Year Run TBD San Francisco, CA Our community events are a great way to get involved with your neighborhood and a healthy way to get the family together.
03/06/2022 Napa Valley Marathon 26.2M, 13.1M, 5K Calistoga, CA Following the famed Silverado Trail from Calistoga to Napa, our point to point marathon passes beautiful scenery & some of the most world-renowned wineries along the way.
03/09/2022 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
03/12/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
03/12/2022 Chanoko 50K, 31K, and 5M Trail Runs 50K, 31K, 5M Granite Bay, CA Participants have a choice of three distances. All finishers will receive custom Chanoko Finishers Apparel.
03/12/2022 Crissy Field parkrun 5K San Francisco, CA Crissy Field parkrun takes place every Saturday at 9:00am
03/12/2022 Marin Ultra Challenge 50M, 50K, 25K Sausalito, CA The Marin Ultra Challenge , our premier Marin County long distance trail race, delivers ample hills and sweeping descents.
03/12/2022 Running with the Bears 26.2M, 13.1M Chico, CA This is a unique and amazing running experience. Aid stations every four miles compete for your vote! Enjoy a sweet after party while sipping a cold local brew.
03/12/2022 Shamrock'n Half Marathon 13.1M, 10K, 5K Sacramento, CA The 5K, 10K and Leprechaun dash will be on Saturday, March 12, 2022. The Half Marathon will be on Sunday, March 13, 2022.
03/13/2022 San Luis Obispo Spartan Trail Run 50K, 13.1M, 10K Santa Margarita, CA This is a zero-obstacle trail race in one of the most picturesque, natural environments in the US.
03/13/2022 Zoom Angel Island 15M, 10M, 5M Tiburon, CA TBD. Angel Island is a hilly grass and forest covered island that provides spectacular views of Marin County, San Francisco and the Golden Gate.
03/16/2022 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
03/19/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
03/19/2022 Crissy Field parkrun 5K San Francisco, CA Crissy Field parkrun takes place every Saturday at 9:00am
03/19/2022 Folsom Lake South Side Trail Run 38M, 50K, 21M, 13.1M, 10K, 5K Folsom, CA All very appealing single track, great running, some technical sections.
03/19/2022 Little Loco Relay 65M Butte Meadows, CA 65-ish Miles 2, 3 or 6 runners or Singe Runner Option.
03/19/2022 Napa Valley Trail Marathon 26.2M, 13.1M, 10K Calistoga, CA The course is a bit challenging with the hills, streams and rocks - which makes it all the more exciting and rewarding. The event is limited to 300 participants.
03/19/2022 Zoom San Francisco 13.1M, 10K, 5K San Francisco, CA TBD. All races start and finish at Crissy Field and head west along the Golden Gate Promenade. All races offer spectacular and historic views of San Francisco.
03/20/2022 Napa Valley Women's Half Marathon 13.1M, 5K Napa, CA Wine. Dine. Run! The ultimate women's week-end! From walkers to runners, everyone can find their place!
03/20/2022 Oakland Running Festival 26.2M, 13.1M, 5K Oakland, CA This event has been nationally recognized as the Bay Area race to run by Competitor Magazine. The people of Oakland make you feel welcome from start to finish.
03/23/2022 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
03/26/2022 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
03/26/2022 Crissy Field parkrun 5K San Francisco, CA Crissy Field parkrun takes place every Saturday at 9:00am
03/26/2022 Golden Gate Headlands Marathon 26.2M, 13.1M, 10K Sausalito, CA Run along a backdrop that combines gorgeous natural vistas with views of San Francisco's urban skyline in the distance, as well as a hilly and challenging course
03/26/2022 Knickerbocker Canyon Trail Run 35K, 13.1M, 10K, 5K Auburn, CA Participants of this race will run the historic Western States Trail along the banks and canyons of the American River. We have a capacity of 400 runners across all distances.
03/26/2022 She.is.beautiful.Santa Cruz Run 13.1M, 10K, 5K Santa Cruz, CA She.is.beautiful is an inspiring, uplifting, and welcoming space for all womxn to come together to sweat their story in all the seasons of life.
03/27/2022 Bakersfield Marathon 26.2M, 13.1M, 10K, 5K Bakersfield, CA In addition to giving local runners an opportunity to run a Boston qualifying marathon in their own back yard, we are excited to welcome runners from across the US and around the world.
03/27/2022 LMJS 4th Sunday Run 15K, 10K, 5K Oakland, CA All those interested in running, whether beginner, walker, jogger or competitive racer are welcome to join our monthly runs. Help save our sanity by signing up ahead of the race!
03/27/2022 Modesto Marathon 26.2M, 13.1M, 5K Modesto, CA The flat, fast course will be open 7 hours, allowing adequate time for first-time marathoners.
03/27/2022 Wildflower Run 10K, 5K, 2M Morgan Hill, CA These flat, fast courses on scenic local back roads are ideal for runners wanting to improve their personal best times. Proceeds fund scholarships for women and girls.
03/30/2022 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.

April 2022

Date Event Distance Location Description
04/02/2022 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/02/2022 Crissy Field Parkrun 5K San Francisco, CA It is a 5km run - it's you against the clock. Every Saturday at 9:00am.
04/02/2022 Folsom Lake Falcon Crest Trail Run 13.1M, 15K, 10K, 5K El Dorado Hills, CA This race is run in the beautiful awesome foothills of El Dorado Hills. This area has incredible oak trees, green grass and is loaded with single track trails paralleling Folsom Lake.
04/02/2022 Redwood 50K, 26.2M, 30K, 13.1M, 5M Oakland, CA TBD. The course travels through beautiful Redwood Regional Park.
04/03/2022 Credit Union SACTOWN Run 10M, 5K, 1M Sacramento, CA The flat, fast course starts and finishes at the spectacular California State Capitol and leads runners through the “best of Sacramento.”
04/03/2022 Down by the Bay 5K 5K Sunnyvale, CA Down by the Bay 5K (everyone is welcome to run, walk, or stroller) and Tot Trot (8 & under) is a unique running event for the whole family!
04/03/2022 Woodside Crossover 50K, 35K, 13.1M, 10K Woodside, CA Participants will enjoy the beautiful trails under the canopy of towering 2nd and 3rd generation, moss covered redwoods as they clip past the many small streams and gullies along the way.
04/06/2022 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.
04/09/2022 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/09/2022 Crissy Field Parkrun 5K San Francisco, CA It is a 5km run - it's you against the clock. Every Saturday at 9:00am.
04/09/2022 Fight For Air Climb 5K San Francisco, CA Whether you're new to stair-climbing or a veteran Climber, you can choose your adventure—how you climb is up to you.
04/09/2022 Mighty Dog 5K/10K 10K, 5K Granite Bay, CA The event offers two distances: 5K & 10K – both for walkers, runners, and their dogs! We are excited to offer this event for athletes and their dogs and hope everyone has a fun time.
04/09/2022 Romancing the Island 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.
04/09/2022 Santa Teresa King Richard Trail Run 13.1M, 10M, 10K, 5K San Jose, CA Santa Teresa County Park is located in the Santa Teresa Hills, ten miles south of downtown San Jose.
04/13/2022 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.
04/16/2022 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/16/2022 Crissy Field Parkrun 5K San Francisco, CA It is a 5km run - it's you against the clock. Every Saturday at 9:00am.
04/16/2022 Ruth McKenzie Preserve Half Marathon 13.1M, 10K, 5K Friant, CA Half Marathon participants will be treated to beautiful views and rolling hills.
04/16/2022 Silver Moon Race 100M Reedley, CA How many laps can you run in 6, 12, or 24-hours? Test your endurance and build up your distance in a 2-mile lap race, or go for the 100-mile distance.
04/16/2022 SPASM Lake Chabot 50K, 26.2M, 30K, 13.1M, 5M Castro Valley, CA TBD. The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners!
04/20/2022 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.
04/23/2022 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/23/2022 California Gold Rush Run 15K, 10K, 5K Coloma, CA Run entirely inside the Marshall Gold Discovery State Historic Park, set in the beautiful foothills of Coloma along the south fork of the American River.
04/23/2022 Crissy Field Parkrun 5K San Francisco, CA It is a 5km run - it's you against the clock. Every Saturday at 9:00am.
04/23/2022 Mt. Tam Wild Boar Half Marathon 13.1M, 10K Mill Valley, CA Parts of this course include very narrow trails with steep drop-offs. The event is limited to 300 participants so don't wait too long to register!
04/24/2022 Big Sur International Marathon 26.2M, 21M, 11M, 12K, 5K Big Sur, CA The course is from Big Sur to Carmel on scenic Highway 1, the nation's first nationally-designated Scenic Highway. The course is USATF certified and is an official Boston qualifier.
04/24/2022 Jim Tracy ALS 5K 5K San Francisco, CA The annual Jim Tracy 5k to Defeat ALS is a one-day community event for runners and walkers of all levels. This is a timed race in Golden Gate Park near Pioneer Log Cabin and Stow Lake.
04/24/2022 LMJS Fourth Sunday Race 15K, 10K, 5K Oakland, CA Every month except February, March, and June.
04/24/2022 Pleasanton Run for Education 15K, 10K, 5K Pleasanton, CA The Pleasanton Run for Education offers a family-friendly race from the Alameda County Fairgrounds through downtown Pleasanton.
04/27/2022 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
04/30/2022 Golden Gate Relay 190M San Francisco, CA Gather your friends or enemies (teams of 12). Decorate your vans. Dress in your best (costumes optional). "It's the most fun 24 feet can have in the best place on earth."
04/30/2022 Sierra Azul Trail Challenge 50M, 26.2M, 20M, 13.1M, 7M, 5K Los Gatos, CA Set in the Sierra Azul Open Space Preserve, this one of a kind running event provides unique access to gorgeous trails and scenery not commonly viewed. 100% trail/fire road.

May 2022

Date Event Distance Location Description
05/01/2022 Avenue of the Giants Marathon 26.2M, 13.1M, 10K Weott, CA Run with us in the majestic redwoods. This course is one of the most scenic courses in the country.
05/01/2022 Bay Bridge Half Marathon 13.1M Oakland, CA Welcome to the ONLY Half Marathon to cross the Bay Bridge presented by the Oakland Run Co.! Get ready for an exclusive hyper-local event. As always, we're Oakland first!
05/01/2022 Horseshoe Lake Trail Run 50K, 26.2M, 13.1M, 5K Palo Alto, CA The course is within Skyline Ridge, Long Ridge and Russian Ridge Open Space Preserves. Be prepared for spectacular views of the Pacific Ocean and the Santa Cruz Mountains.
05/01/2022 Lake San Antonio 10K/5K 10K, 5K Lake San Antonio, CA Lake San Antonio is a perfect venue for testing your skills as a runner or you can relax and make this a fun run!
05/04/2022 Fog City Run 5K San Francisco, CA The Fog City Run is a hilly 5km (ish) route through the marina neighborhood and the Presidio.
05/06/2022 Fresno Ole 5 - Que 5K Fresno, Ca Are you ready to earn your tacos? Come join us on this scenic out and back course along the Sugar Pine Trail. A live band will provide entertainment.
05/07/2022 4MPH Challenge 36M McCloud, CA Our course is 6 miles long each way, mostly flat, mostly single-track and very scenic.
05/07/2022 Byxbee Park Run 5K Palo Alto, CA Byxbee Parkrun is a free, fun and friendly weekly 5K community event. The run starts at 8am. Please come along and join us whatever your pace!
05/07/2022 Dirty Secret Trail Run 10.3M, 5.8M Cool, CA It is recommended that each runner carry a water bottle and drink regularly. Bring a sense of humor, a good attitude and a safety mind set.
05/07/2022 Hacienda Hills Run 50K, 26.2M, 13.1M, 9M, 10K, 5K San Jose, CA This event is located just outside San Jose at the Alameda Quicksilver Park. Prepare yourself for a spectacular day of California Trail running in the Hacienda Hills.
05/07/2022 Kerman Almond Festival Scholarship Fun Run 5K Kerman, CA All family members are invited to join the fun! The fun includes a festival with live entertainment, food vendors, Almond Baking Contest and wine tasting.
05/07/2022 Lil Mud Runner Kids & Family Mud Run 1M Tracy, CA Run, duck, climb, slide and crawl through the muddiest one-mile obstacle course you've ever seen at the annual ‘Lil Mud Runner Kids & Family Mud Run.
05/07/2022 Miwok 100K 100K Stinson Beach, CA The Miwok 100K is one of the most beautiful and inconic trail ultramarthons in the world. The race is very competetive at the front and a rewarding challenge for all.
05/07/2022 Pathways Run 10K, 5K, 1M Los Altos Hills, CA A fun, challenging trail run/walk event in Los Altos Hills, CA.
05/07/2022 Shasta Mud Run 10K, 5K Anderson, CA Challenge yourself and others on either the 5K or 10K trails through multiple obstacles. Designed for the serious athlete or those just wanting some adventurous family entertainment.
05/07/2022 Yosemite Half Marathon 13.1M Bass Lake, CA The course includes rough terrain, fast downhill descent on a beautiful paved road and around Bass Lake.
05/11/2022 Fog City Run 5K SanFrancisco, CA The Fog City Run is a hilly 5km (ish) route through the marina neighborhood and the Presidio.
05/14/2022 Byxbee Park Run 5K Palo Alto, CA Byxbee Parkrun is a free, fun and friendly weekly 5K community event. The run starts at 8am. Please come along and join us whatever your pace!
05/14/2022 Grizzly Peak Trail Run 50K, 26.2M, 30K,13.1M, 10K Berkeley, CA The run starts at Lake Anza and travels through the beautiful and popular Tilden Park in the Berkeley Hills. T-shirts will be given to all pre-registered runners.
05/14/2022 Luc's Run 10K, 2M Tuolumne, CA The scenic race route starts in a community of cheering local residents and proceeds through peaceful pastures with a challenging uphill climb through the historic streets of Tuolumne city.
05/14/2022 Muir Woods Marathon 26.2M, 13.1M, 7M Stinson Beach, CA Mt. Tamalpais is a treasure trove of pristine trails. The course is on the best single track the mountain has to offer with some of the most beautiful mileage you will ever run.
05/14/2022 Paiute Meadows Trail Run 50K,13.6M, 4.5M Susanville, CA Join us at Susanville Ranch Park as we showcase the region's premiere trail system.
05/14/2022 Quicksilver 100K and 50K 100K, 50K San Jose, CA The Quicksilver 100k race is a Western States 100 Mile Endurance Run qualifier!
05/14/2022 Silver Moon Race 10K, 2M Paso Robles, CA A 2-mile lap race on farm roads around the vineyard. The course is easy and perfect to strengthen your endurance and extend your miles to the next level.
05/14/2022 Sly Park Lake Trail Run 50K, 20M, 13.1M, 10M, 5K Pollack Pines, CA The run around Sly Park Lake is a challenging course but no big climbs or long downhills. The trail goes through endless pine trees and is one of the best kept secrets in the Sierra.
05/14/2022 Wounded Warriors 5K Run/Walk 5K Manteca, CA The Wounded Warriors 5K Run is part of the Not Forgotten Memorial Day Weekend Celebration. The course has multiple aid stations along the way and runs through and around beautiful Woodward Park.
05/15/2022 Gold Country Half 13.1M, 5K El Dorado Hills, CA This is the flattest and fastest course in the foothills. Enjoy beautiful scenery, great participant services and an exciting finisher's party featuring beer, wine, food, music and fun for the whole family.
05/15/2022 Grapes of Wrath Triathlon 10K/5K 10K, 5K Delano, CA The Grapes of Wrath Triathlon is a fast and fun race in the central valley located east of Delano, CA
05/15/2022 Mud Factor - Fresno 5K Fresno, Ca Seriously Fun, 5K Obstacle Run! A water slide, halfway house, enternet, mega climb, wire crawl and cargo crawl are a few of the obstacles you will encounter.
05/15/2022 Ohlone 50K Trail Run 50K Fremont, CA The Ohlone 50K is a point-to-point race traversing the entire Ohlone Wilderness Trail.
05/15/2022 Tilden Tough Ten 10M Berkeley, CA TBD. The Tilden Tough Ten Mile Race is a scenic run along the crest of the Berkeley Hills. The start/finish is at Inspiration Point. Sign up early as the race is limited to 250 runners.
05/15/2022 Windsor Wine Run 13.1M, 10K, 5K Windsor, CA Windsor Run and Wine is the most memorable race and post race festival in California!
05/18/2022 Fog City Run 5K San Francisco, CA The Fog City Run is a hilly 5km (ish) route through the marina neighborhood and the Presidio.
05/21/2022 Byxbee Park Run 5K Palo Alto, CA Byxbee Parkrun is a free, fun and friendly weekly 5K community event. The run starts at 8am. Please come along and join us whatever your pace!
05/21/2022 Girls on the Run - Silicon Valley 5K Los Gatos, CA Join us for our 5K Celebration at Vasona Park. Our event is about accomplishing a goal and is not timed! Find your happy pace, keep moving forward and cross the finish line!
05/21/2022 Greenhorn Ranch Trail Run 50K, 25K, 10k, 5K Quincy, CA The start and finish area is located on the Historic Greenhorn Ranch in Quincy. This event is designed to be sensitive to the hazards of Covid 19.
05/21/2022 Leigh Longhorn Stampede 5K San Jose, CA Join us for a 5K event through Cambrian neighborhood. Whether you are a walker , a casual jogger, distance runner or just want to cheer on the participants come be a part of our community.
05/21/2022 San Francisco 50/50 Endurance Runs 50M, 50K Rodeo Beach, California Enjoy vistas of the Pacific Coast as you take a scenic tour of the spectacular Marin Headlands with views of Tiburon, Pirates Cove, San Francisco and the Golden Gate Bridge.
05/22/2022 LMJS 4th Sunday Runs 15K, 10K, 5K Oakland, CA Distances offered at these races are 5K (once around the lake), 10K (twice around the lake) and 15K (three times around the lake).
05/22/2022 Sasquatch Trail Run 5K Woodlake, CA There are noises coming from the Dry Creek Preserve…are you ready to take a chance of being spotted by a Sasquatch? We are the one and only…Sasquatch Trail Run.
05/22/2022 Surfer's Path Half Marathon 13.1M Santa Cruz, CA Run in California's coastal playground. You will be treated to scenic courses, featuring breathtaking views of the Monterey Bay coastline and a series of world-renowned surf breaks.
05/25/2022 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
05/28/2022 Armed Forces Half Marathon 13.1 Concord, CA Runners will get an incredible panoramic view of the installation. This part of the course up until now, this has been strictly off-limits to civilians.
05/28/2022 Byxbee Park Run 5K Palo Alto, CA Byxbee Parkrun is a free, fun and friendly weekly 5K community event. The run starts at 8am. Please come along and join us whatever your pace!
05/28/2022 Clovis Memorial Run 5K, 2M Clovis, CA You won't want to miss this Memorial Run honoring Our Legacy! Breakfast, shirts and raffle! All partipants receive a free pancake breakfast.
05/29/2022 Mushroom Mardi Gras 5K/10K 10K, 5K Morgan Hill, CA TBD. Come for the run! Stay for the Mardi Gras Festival FUN! All proceeds benefit the Live Oak High School Track and Field team. Thank you for your support.
05/29/2022 Walnut Creek Youth and 5K Series - May 5K, 1M, Walnut Creek, CA Earn points for every race you run. See where you stand against everyone at the end of the year and compare how much you have improved.

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