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Race Calendar

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January 2021

Date Event Distance Location Description
01/24/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/24/2021 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.
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/25/2021 1st Annual 50K Memorial Run/Walk honoring First Responders 50K Alameda, CA This is a virtual 50K to honor Barney Smith's father, Edward Smith III, who was an Alameda Fire Fighter for 30 years. Barney lost his father to suicide on January 4, 2019. In this country, we also lose 22 veterans to suicide every day. Barney planned this event in honor and memory of his dad, and all first responders and veterans. The event will cover 50 Kilometers, which was the daily commute from Ed's house to the fire station where he worked
01/27/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
01/30/2021 Bakersfield Pirate 5K Booty Run 5K,2K Bakersfield, CA Join us for the Annual Pirate's of the Cure-i-bbean 5K Booty Run to help promote awareness of blood related cancers through Relay for life team member's fund raising efforts.
01/30/2021 Byxbee Parkrun 5k Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/30/2021 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.
01/30/2021 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.

February 2021

Date Event Distance Location Description
02/02/2021 Jed Smith Ultra 50M, 50K, 26.2M, 30K, 13.1M Sacramento, CA This race is held on a flat 5-mile loop along the American River.
02/03/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/06/2021 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/06/2021 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. Where is it? It takes place at 1199 East Beach St., SF.
02/06/2021 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.
02/07/2021 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.
02/07/2021 Super Sunday Run 10K, 5K Sacramento, CA The Super Sunday Run XII features a 5k race, a 10k race, the Future Stars’ 1k community run/walk, and Pee-Wee 40-Yard Dash.
02/10/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/13/2021 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/13/2021 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. Where is it? It takes place at 1199 East Beach St., SF.
02/17/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/20/2021 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/20/2021 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. Where is it? It takes place at 1199 East Beach St., SF.
02/21/2021 Almond Blossom Run 10K, 5K Durham, CA Both courses start and finish at the rose garden in front of Durham High School and follow flat paved roads among beautiful blooming almond orchards.
02/24/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/27/2021 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/27/2021 Crissy Field Park Run 5K San Francisco, CA It is a 5k run- it's you against the clock. Every Saturday at 9:00am.
02/27/2021 Juana Run 5K, 1M Palo Alto, CA The Juana Run will return in 2021. We are working on confirming a date of 2-27-2021.
02/27/2021 Support Blue Fresno 10K, 2M Fresno, CA You don’t have to risk your life day in and day out to keep our community safe. All you have to do is support those who do. Stand up and Run for the Blue!
02/28/2021 Dragoon Gulch 5K 5K Sonora, CA This trail run is located in the beautiful Woods Creek area of downtown Sonora California. Most of the run is on a well-groomed trail.
02/28/2021 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 2021

Date Event Distance Location Description
03/03/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
03/06/2021 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
03/06/2021 Crissy Field parkrun 5K San Francisco, CA Crissy Field parkrun takes place every Saturday at 9:00am
03/06/2021 NorCal John Frank Memorial Run 10M, 3M, 1M Redding, CA Races run along the Sacramento River Trail System in Redding. Sign up early for best prices!
03/07/2021 Bakersfield Donut Run 5K Bakersfield, CA Run or walk and show your passion for donuts, get out there with your friends and family on our 5k Timed or 2k non-timed courses and earn those delicious Donuts!
03/07/2021 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.
03/07/2021 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.
03/07/2021 Santa Cruz Half Marathon 13.1M, 10K, 5K Santa Cruz, CA This unique stretch of the rugged California coastline is classic coastal - with rugged cliffs, moderate temperatures, blue skies and pounding surf!
03/10/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
03/13/2021 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
03/13/2021 Crissy Field parkrun 5K San Francisco, CA Crissy Field parkrun takes place every Saturday at 9:00am
03/13/2021 Folsom Lake South Side Trail Run 38M, 50K, 21M, 13.1M, 10K, 5K Folsom, CA TBD. All very appealing single track, great running, some technical sections.
03/17/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
03/20/2021 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
03/20/2021 Crissy Field parkrun 5K San Francisco, CA Crissy Field parkrun takes place every Saturday at 9:00am
03/20/2021 Lucky Run 5K/10K 10K, 7K, 5K Davis, CA The Lucky Run will offer four events to choose from: 5K, 7K,10K and Kid's Fun Runs (ages 12 and under): 1/4 and 1/2 mile.
03/20/2021 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.
03/20/2021 Whale Run 10K, 5K Ft. Bragg, CA This is an out and back race. The Whale Run starts and finishes in the heart of Fort Bragg in the Skunk Train parking lot.
03/21/2021 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!
03/21/2021 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.
03/21/2021 Tesoro Viejo Spring Classic Half Marathon 13.1M, 10K, 5K Madera, CA This run will take you away from the busy city streets to tranquil paths through some of the most beautiful SPRING scenery which will rival any run in the state.
03/24/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
03/27/2021 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
03/27/2021 Heart & Soles Run 10K, 6K Santa Clara, CA Run from Santa Clara University through Avaya Stadium and back for a race you won't forget!
03/28/2021 Modesto Marathon 26.2M, 13.1M, 5K Modesto, CA TBD. The flat, fast course will be open 7 hours, allowing adequate time for first-time marathoners.
03/28/2021 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.
03/31/2021 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.

April 2021

Date Event Distance Location Description
04/03/2021 American River 50 Mile Endurance Run 50M, 25M Sacramento, CA American River has become the second largest 50 miler in the United States. The race attracts both veterans and novices alike.
04/03/2021 Antioch Rotary Club Bunny Hop 5K 5K Antioch, CA TBD. The race is on a soft trail through Dow wetlands. When you run by the beaver pond you will have a spectacular view of the Mt. Diablo in its background.
04/03/2021 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/03/2021 Crissy Field Parkrun 5K San Francisco, CA It is a 5km run - it's you against the clock. Every Saturday at 9:00am.
04/03/2021 Folsom Lake Falcon Crest Trail Run 13.1M, 15K, 10K, 5K El Dorado Hills, CA TBD. 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.
04/04/2021 Artichoke Half Marathon 13.1M, 10K, 5K Pescadero, CA The race is just off the gorgeous windswept Pacific coastline in Northern California, just down the road from Half Moon Bay and a couple hours' drive from the nearby San Francisco Bay Area.
04/04/2021 California Classic Half Marathon 13.1M, 10K, 5K Fresno, CA We will host 3,000 runners in our Half Marathon and Relay as participants run through African Adventure in Fresno Chaffee Zoo, with a grand finish along home-plate inside Chukchansi Stadium.
04/07/2021 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.
04/09/2021 San Luis Obispo Spartan Trail 50K, 13.1M, 10K Santa Margarita, CA Spartan Trail is a zero-obstacle trail race with 10 km, 21 km and 50 km events.
04/10/2021 Break Free Run Folsom 10K, 5K Folsom, CA Human trafficking is a global issue and the Break Free Run is a global movement.
04/10/2021 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/10/2021 Crissy Field Parkrun 5K San Francisco, CA It is a 5km run - it's you against the clock. Every Saturday at 9:00am.
04/10/2021 Diablo Trails Challenge 50K, 13.1M, 10K, 5K Walnut Creek, CA Diablo Trails Challenge has a run for everyone from those hitting the trail for the first time to the experienced ultra-runners.
04/10/2021 Mission Possible 5K Bakersfield, CA Help fight Homelessness and Addictions One Mile at a time.
04/10/2021 Race for Open Space 10K, 5K, 2.5K Salinas, CA Tentative Future Date for Race For Open Space: April 10, 2021.
04/10/2021 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.
04/11/2021 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.”
04/11/2021 Mud Factor - Fresno 5K Sanger, CA Seriously fun, 5K obstacle run.
04/14/2021 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.
04/17/2021 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/17/2021 Crissy Field Parkrun 5K San Francisco, CA It is a 5km run - it's you against the clock. Every Saturday at 9:00am.
04/17/2021 Hillside School 5K Glow Run 5K Madera, CA Hillside School is hosting its inaugural 5k and family fun run. Join in this exciting event by running through the Tesoro Viejo neighborhood at sunset with your glow in dark attire.
04/17/2021 Mountain Vista 10K/5K 10K, 5K Kelseyville, CA Due to COVID-19 we are postponing the in person race to April 17, 2021.
04/17/2021 Napa Valley 50K 50K, 35K, 13.1M Calistoga, CA Runners on the 50k course will be treated rocky and steep uphill sections to bring participants to expansive views of the Napa Valley.
04/17/2021 Placerville Path Run 13.1M, 10K, 5K Placerville, CA TBD. Courses start & finish in beautiful historic Placerville CA.
04/21/2021 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.
04/24/2021 American Association Of University Women 5K 5K Madera, CA A 5K to raise money for graduating seniors' college scholarships plus sending 8th grade girls to Tech Trek.
04/24/2021 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/24/2021 Crissy Field Parkrun 5K San Francisco, CA It is a 5km run - it's you against the clock. Every Saturday at 9:00am.
04/24/2021 Madtown 5K 5K Madera, CA This is a fundraiser for the Madera Branch of American Association of University Womenfor our two kinds of scholarships that we give to young ladies.
04/24/2021 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!
04/24/2021 Rugged Maniac Obstacle Race - NorCal 5K Pleasanton, CA It's like recess for grown-ups, except our playground has a 3-story water slide and trampolines, and there’s a huge festival right in the middle of everything with a DJ and plenty of beer!
04/24/2021 Sierra Azul Trail Challenge 50M, 26.2M, 18M, 13.1M, 10K, 5K Los Gatos, CA TBD. 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.
04/24/2021 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.
04/25/2021 Alameda Hospital Foundation Run 10K, 5K Alameda, CA The Alameda Hospital Foundation 5k and 10k runs will take place on the beautiful estuary trail of Bay Farm Island.
04/25/2021 LMJS Fourth Sunday Race 15K, 10K, 5K Oakland, CA Every month except February, March, and June.
04/25/2021 The Great Sasquatch Road Trip 340 miles Virtual, CA It's not a virtual 'race'. It's not a virtual 'challenge'. The Great Sasquatch Road Trip is a 340 mile virtual running adventure! Over the course of 340 miles (from Jenner, CA to Happy Camp, CA), you'll uncover a multitude of 'Sasquatch hotspots'. Each hotspot includes custom content around alleged REAL Sasquatch sounds, smells, and sightings! Additionally, each hotspot includes the latest chapter of a fun, interactive narrative in which you step into the shoes of a boy (and his trusty 'squatch sniffing' dog) as they search for everyone's favorite furry cryptid, SASQUATCH! No matter how many miles you conquer or hotspots you uncover, you get an awesome Road Trip lifestyle tee, an amazing road trip woodallion designed by Aravaipa Artworx, a private FB group to interact with your fellow runners/Sasquatch fans, and much more.
04/28/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.

May 2021

Date Event Distance Location Description
05/01/2021 Armstrong Redwoods Trail Run 50K, 36K, 26K, 10K Guerneville, CA Our event begins and ends in Armstrong Redwoods State Park among ancient 1,200+ year old redwoods, more than 300 feet high!
05/01/2021 California Gold Rush Run 113.1M, 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. All the courses are a mix of very appealing singletrack dirt trails with a few paved areas.
05/01/2021 Fight For Air Climb 5K San Francisco, CA Join the Fight For Air Climb for the challenge and for a world free of COVID-19 and lung disease.
05/01/2021 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."
05/01/2021 Miwok 100K 100K Stinson Beach, CA The course is very hilly with spectacular views of SF and the Golden Gate Bridge, Mt. Tamalpais and the Point Reyes National Seashore.
05/01/2021 Sutter Buttes Spirit Mountain Run 13.1M, 10K, 5k Sutter, Ca This is a scenic paved route through the smallest mountain range in the world. All courses start on a flat road and have a slight gradual rolling incline and then a slight gradual rolling decline to the finish.
05/01/2021 Wild Wild West Marathon 50M, 50K, 26M, 10M Lone Pine, CA This trail race has something for every runner and is walker friendly. If you want clean air, safe surroundings and beautiful scenery, join us!
05/02/2021 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.
05/02/2021 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!
05/02/2021 Fair Oaks Sun Run 5M 5M, 2M Fair Oaks, CA This event is an annual tradition. Regarded as one of the most beautiful yet challenging courses around, it attracts both the avid runner and those who are out to have a great time.
05/05/2021 Fog City Run 5K San Francisco, CA The Fog City Run is a hilly 5km (ish) route through the marina neighborhood and the Presidio.
05/08/2021 Girls on the Run 5K 5K Sacramento, CA TBD. GOTR uses running to inspire and motivate girls, encourage lifelong health and fitness and build confidence through accomplishment.
05/08/2021 Lincoln Pace Race 10K, 5K Lincoln, CA The Lincoln PACE Race brings together people of all ages and abilities from near and far to enjoy a morning walk or run followed by our popular After Party held in the Amphitheater.
05/08/2021 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.
05/08/2021 Pathways Run 10K, 5K, 1M Los Altos Hills, CA TBD. A fun, challenging trail run/walk event in Los Altos Hills, CA.
05/08/2021 Quicksilver 100K and 50K 100K, 50K San Jose, CA The Quicksilver 100k race is a Western States 100 Mile Endurance Run qualifier!
05/08/2021 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.
05/08/2021 Sly Park Lake Trail Run 50K, 20M, 13.1M, 10M, 5K Pollack Pines, CA TBD. 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.
05/08/2021 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.
05/09/2021 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.
05/09/2021 Mother's Day 5K 5K Granite Bay, CA This 5K takes place at Granite Bay State Park on Folsom Lake. All athletes will receive custom Mother's Day Finisher Medals.
05/12/2021 Fog City Run 5K SanFrancisco, CA The Fog City Run is a hilly 5km (ish) route through the marina neighborhood and the Presidio.
05/15/2021 Chocolate Festival Fun Run 5K, 1M Oakdale CA Join us for a fun filled day or week-end of chocolate festivities. You will find a variety of chocolate to satisfy every palate.
05/15/2021 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.
05/16/2021 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.
05/16/2021 Graniterock River Run 5K, 1M Hollister, CA TBD. A unique experience awaits as you meander through a working sand and gravel quarry. Participants can choose a 1M Family Fun Run or 5K Run/Walk.
05/16/2021 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.
05/16/2021 Ohlone 50K Trail Run 50K Fremont, CA The Ohlone 50K is a point-to-point race traversing the entire Ohlone Wilderness Trail.
05/19/2021 Fog City Run 5K San Francisco, CA The Fog City Run is a hilly 5km (ish) route through the marina neighborhood and the Presidio.
05/22/2021 Bishop High Sierra Ultramarathons 100K, 50M, 50K, 20M Bishop, CA These are high altitude races, with lots of climbing, in the scenic foothills of the Eastern Sierra Nevada, above the small town of Bishop.
05/22/2021 Devil's Slide Trail Run 50K, 30K, 13M, 11K, 4K Pacifica, CA Run the most scenic trails in Northern California, while supporting more than 1,000 individuals with developmental disabilities.
05/23/2021 Hillsborough Family Run 10K, 5K, 2K Hillsborough, CA The Fun Run is a run/walk followed by breakfast and field activites. It is a great time to exercise, celebrate the end of the school year and support Hillsborough Public Schools!
05/23/2021 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).
05/26/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
05/29/2021 4MPH Challenge 36M McCloud, CA Our course is 6 miles long each way, mostly flat, mostly single-track and very scenic. You must finish each 6-mile stretch in under 90 minutes. And then we send you back to do it again! 4MPH=15 minutes per mile. What could be easier than that?
05/29/2021 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.
05/29/2021 Modesto Memorial Classic 5K, 1M Modesto, CA The 1M and 5K run/walks include a pancake breakfast at Tuolumne River Park for all paid runners.
05/29/2021 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.
05/31/2021 No Excuses 5K 5K Sacramento, CA We invite you to run, wallk or roll to pay tribute to military heroes. This event benefits Canine Companions for Independence. Your dog is invited to join you.

June 2021

Date Event Distance Location Description
06/02/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
06/05/2021 Byxbee parkrun 5K Palo Alto, CA TBD. Every Saturday at 8:00am.
06/05/2021 Crissy Field Park Run 5K San Francisco, CA TBD. It is a 5km run - it's you against the clock.
06/05/2021 Eastside Adventure Race Festival 6H, 24H, 36H Mammoth Lakes, CA TBD. One weekend, three epic adventure races.
06/05/2021 Mississippi Bar Trail Run 10K, 5K Fair Oaks, CA Proceeds of the event support our beneficiary, the Rachel Anne Gray Memorial Scholarship.
06/05/2021 Spartan Super and Sprint - Monterey 10K Salinas, CA There’s nothing mediocre about this middle distance race. The Spartan Super offers the ideal blend between distance and speed.
06/06/2021 Lake Chabot Trail Challenge 13.1M, 5K Castro Valley, CA The half marathon course is a scenic, hilly loop, mainly on dirt fire roads.
06/06/2021 Spartan Trail - Monterey 50K, 13.1M, 10K Salinas, CA Spartan Trail is a no-obstacles foot race through rugged wilderness, overseen by legendary race directors from the world of trail running.
06/06/2021 Statuto Race 8K, 2M San Francisco, CA The Statuto Race commemorates the creation of the first Italian Constitution (Statuto Albertino) and is a running tradition in San Francisco going back almost 100 years.
06/06/2021 Truckee Running Festival 13.1M, 10K, 5K Truckee, CA Come one come all and join us for a morning of Truckee Running and fun at Riverview Park in Truckee, CA.
06/09/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
06/12/2021 Byxbee parkrun 5K Palo Alto, CA TBD. Every Saturday at 8:00am.
06/12/2021 Cody Lake Sierra Trail Challenge 13.1M, 10K, 5K Kyburz, CA TBD. This course is run in the beautiful Sierras. The course starts/finishes at the East end of the Strawberry Lodge.
06/12/2021 Crissy Field Park Run 5K San Francisco, CA TBD. It is a 5km run - it's you against the clock.
06/12/2021 DeCelle Memorial Lake Tahoe Relay 72M South Lake Tahoe, CA TBD. The Lake Tahoe Relay teams consist of 7 people, each running approximately 8 to 12 miles.
06/13/2021 Dipsea Race 7.4M Mill Valley, CA First run in 1905, the Dipsea is the oldest trail race in America. It is run every year on the second Sunday in June.
06/13/2021 Run to Squaw 8M Tahoe City, CA This 7.9 mile course travels alongside the Truckee River. Enjoy spectacular views along this stunning scenic corridor. The route is fast with little elevation gain.
06/13/2021 Squaw Valley Half Marathon 13.1M Olympic Valley , CA The course is fast and flat, a scenic out and back featuring mainly paved trail through the valley and along the Truckee River.
06/16/2021 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
06/19/2021 Byxbee parkrun 5K Palo Alto, CA TBD. Every Saturday at 8:00am.
06/19/2021 Crissy Field Park Run 5K San Francisco, CA TBD. It is a 5km run - it's you against the clock.
06/19/2021 Huntington Lake China Peak 10K, 5K Lakeshore, CA This event features a lake swim in Huntington Lake, a challenging road bike course, and a ‘high altitude’ run finishes the race.
06/20/2021 Burton Creek Trail Run 13.1M, 12K, 6K Tahoe City, CA The Burton Creek Trail Run takes place on a beautiful, fun and challenging trail system within Burton Creek State Park near Tahoe City, CA. The course features miles of single track through pine forests and high sierra meadows.
06/23/2021 Fog City Run 5K San Francisco, CA The Fog City Route is a hilly 5k (ish) run through the Marina Neighborhood and the Presidio.
06/23/2021 Lost Coast 3 day Stage Run 60M Petrolia, CA The Lost Coast is the remotest trail on the Aspire calendar. Logistics for us are a bear, which translates to incredible vistas and ocean side camping for runners.
06/26/2021 Angel Island 5 Mile and Half Marathon 13.1M, 5M Marin County, CA Come join us and be a part of this event in a hidden gem right around the corner from everyone in the Bay Area.
06/26/2021 Byxbee parkrun 5K Palo Alto, CA TBD. Every Saturday at 8:00am.
06/26/2021 Crissy Field Park Run 5K San Francisco, CA TBD. 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. Where is it? It takes place at 1199 East Beach Street.
06/26/2021 Running with the Bears 26.2M, 13.1M, 10K Greenville, CA Our 2021 event features a 10K, Half Marathon, and Full Marathon offering participants stunning views and a fast and fun course.
06/26/2021 San Francisco FrontRunners Pride Run 10K, 5K San Francisco, CA TBD. This is a great way to kick off Pride weekend in SF. There is a 5K and a 10K option.
06/26/2021 Western States Endurance Run 100M Squaw Valley, CA The Western States 100-Mile Endurance Run is the world’s oldest and most prestigious 100-mile trail race.
06/27/2021 LMJS Fourth Sunday Race - June 5K, 10K, 5K Oakland, CA TBD. All of LMJS Fourth Sunday runs begin at 9:00 a.m. at Adams Point, just before the Sailboat House, rain or shine.
06/30/2021 Fog City Run 5K San Francisco, CA The Fog City Route is a hilly 5k (ish) run through the Marina Neightborhood 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