Found 171 races near Contra Costa County, CA

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9

San Francisco, CA
• 57.0 miles
Out and back course, starting and finishing at Fort Mason, near the Great Meadow. Flat, scenic course. Well, almost flat--the very end has a 0.2 mile challenging finishing hill, but the scenery...
10K
8
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9

Hillsborough, CA
• 33.5 miles
DescriptionInternet Registration has not begun yet. Check Registration Dates in details.Get ready to run, play, and explore with HREC Cross Country! Designed for 1st–5th graders of all experience...
2
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11

Santa Venetia, CA
• 62.0 miles
$45 -$105
The Badger's race RETURNS to China Camp State Park in Santa Venetia, CA! If the LIVE option doesn't work for you, we're supporting VIRTUAL as well. We'll be happy to ship your swag and you can...
5K 10K Half Marathon
26
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San Ramon, CA
• 38.9 miles
$25 -$105
Join us on Saturday, September 12, 2026 at Bishop Ranch in San Ramon for our Race of Champions. 
5K 10K Half Marathon
31
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12

Los Gatos, CA
• 0.0 miles
$40 -$55
LSA's in Los Gatos, CA - t-shirt, virtual option
5K 10K
111
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12

Brisbane, CA
• 30.2 miles
$7 -$75
Pinoy Runners Norcal 7K / .7M Fun Run SPECIAL EARLY BIRD RATE THROUGH MEMORIAL DAY SO SIGN UP NOW!  (Formerly Pinoy Runners Brgy. Bay Area Fun Run) Pinoy Runners NorCal 7K / 0.7 Mile Fun Run🎉...
0m 7K
2
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12

Brisbane, CA
• 30.2 miles
$15 -$65
(Formerly Pinoy Runners Brgy. Bay Area Fun Run) Origins: This event began in 2022 as Pinoy Runners Brgy. Bay Area Fun Run, a 5k/10k held at Fremont's Quarry lakes. This event was organized to...
0m 7K
3
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12

San Francisco, CA
• 25.1 miles
$30 -$45
Join the Movement for Mental Health!Introducing the "Run for Mental Health" - an empowering journey towards well-being! Run with purpose, run with heart for someone you know who is on that...
1m 5K 10K Half Marathon
17
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13

South San Francisco, CA
• 30.1 miles
Flat, fast, and scenic out and back 10K course along the paved, scenic Bay Trail in South San Francisco. Course starts and finishes north of the main restroom on the Bay Trail, south of the main...
10K
8
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13

Lodi, CA
• 42.7 miles
$25 -$75
The sixth annual Race to Slow the Pace 5K & 10K, presented in partnership with the John and Jeani Ferrari Family Foundation, to be held at Bokisch Vineyards in Lodi, CA is a trail run to connect...
5K 10K
26
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15

Hillsborough, CA
• 33.7 miles
DescriptionInternet Registration has not begun yet. Check Registration Dates in details.We will meet behind the gym and be done by 4:30. Practices will always be on Tuesdays and Thursdays from...
1
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15

Hillsborough, CA
• 33.7 miles
DescriptionInternet Registration has not begun yet. Check Registration Dates in details.We will meet behind the gym and be done by 4:30. Practices will always be on Tuesdays and Thursdays from...
3
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19

Richmond, CA
• 49.3 miles
$15 -$35
Fast Track to a Cure 5K brings together survivors, families, friends, and community members to raise awareness and support research for oligodendroglioma — a rare form of brain cancer. We look...
5K
10
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19

Half Moon Bay, CA
• 41.5 miles
$15 -$65
The Half Moon Bay Beach Safety Run will take place on Saturday, September 19 at the Pillar Point Harbor in Half Moon Bay, located at 1 Johnson Pier, Half Moon Bay, CA 94019. This destination...
2m 5K 4m 10K
10
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19

Newark, CA
• 25.3 miles
$20 -$100
Music festival run road featuring competitive racing and community celebration
4K
130
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20

San Jose, CA
• 5.8 miles
$25 -$60
Experience the thrill of 10th Annual SJVRC ONE MILE FOR ONE CHILD Charity Running Event.  Join us along with other fellow runners around the world of all ages and skill levels to promote running...
1m 5K 10K
58
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20

Alameda, CA
• 6.4 miles
$25 -$140
We are back for another year of racing with our start and end on Alameda Point. The race start and finish will be right outside City Hall West with the Health and Wellness expo presented by...
1m 5K 10K Half Marathon
83
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20

Pacifica, CA
• 37.8 miles
5K course on trails and some paved path, all closed to vehicle traffic. Rolling (if rolling means steep) hills to flat terrain. The first mile is a semi-tough uphill switch-back single track,...
5K
9
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26

Lodi, CA
• 37.9 miles
$35
The CASA Superhero Fun Run is Here!  Calling all superheroes!!! The Child Abuse Prevention Council and Court Appointed Special Advocates (CASA) are thrilled to invite you to participate in our...
42
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27

Hayward, CA
• 22.6 miles
$25 -$50
Lace up for a race with a view! Presented by the Hayward Area Recreation and Park District, the 10K on the Bay returns on Saturday, September 27– and you won’t want to miss it. Whether you're a...
1m 5K 10K
12