Found 171 races near Contra Costa County, CA

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AUG
15

San Francisco, CA
• 48.1 miles
$30 -$45
🥯🏃‍♂️ Run for the carbs. Stay for the bagels.Love running? Love bagels? This one’s for you.Whether you’re chasing a workout or just here for the carbs, this run is all about balance, fun, and...
1m 5K 10K Half Marathon
29
AUG
15

Fremont, CA
• 26.3 miles
$25 -$107
Beer City Half SLAM is a multi-event festival race in Fremont featuring half-marathon, 10K, 5K, and dog-friendly racing options. The event supports local charities, includes craft beer tastings,...
5K 10K Half Marathon
79
AUG
15

Oakland, CA
• 13.4 miles
$50 -$110
The course travels through beautiful Redwood Regional Park. Enjoy the spectacular views along the East Ridge and West Ridge trails and wind through tall redwoods on the popular Stream and Bridle...
5m Half Marathon 30K Marathon 50K
65
AUG
16

San Francisco, CA
• 46.9 miles
Run north from Point Lobos Avenue on the Lands End Trail to Lincoln Highway and back. Expect beautiful Golden Gate and Pacific Ocean views on this trail run. Event details and scheduleRace day...
5K
8
AUG
16

San Francisco, CA
• 29.8 miles
$45 -$50
Trials of Miles Racing and A Runners Mind are excited to introduce the inaugural SF (Road) Mile, coming to San Francisco this August. This classic point-to-point road mile will take place on Old...
5
AUG
19

San Jose, CA
• 40.1 miles
Stratford Preparatory Blackford is dedicated to providing transportation services tailored to our families’ needs. Our routes are strategically designed to cover areas with the highest...
4
AUG
19

San Jose, CA
• 40.1 miles
Stratford Preparatory Blackford is dedicated to providing transportation services tailored to our families’ needs. Our routes are strategically designed to cover areas with the highest...
5
AUG
19

San Jose, CA
• 40.9 miles
Stratford Preparatory Blackford is dedicated to providing transportation services tailored to our families’ needs. Our routes are strategically designed to cover areas with the highest...
3
AUG
22

Stinson Beach, CA
• 39.4 miles
$180 -$240
Stinson Beach to Mill Valley and back to Stinson again, entirely on the world-famous Dipsea Trail both ways! The Double Dipsea has been run 55 times since 1970 and 2026 will be #56. This is a...
12
AUG
22

Sacramento, CA
• 68.0 miles
$25 -$48
Join us for the 27th annual Race for the Arts, benefiting California nonprofit performing, literary, cultural, and visual arts organizations and school music, literary, drama, and art programs....
5K
8
AUG
22

Sunnyvale, CA
• 34.0 miles
$25 -$60
VISIT "Event Info" FOR INFORMATION ON BASIC vs. DELUXE PACKAGES!!! Join us at 9:00 AM on Saturday, August 22nd, 2026 for this 4th annual 5K/10K race! All proceeds benefit Second Harvest!!! There...
5K 10K
12
AUG
22

Oakland, CA
• 50.7 miles
$15 -$45
9th annual road with supporting local charities and family-friendly
5K
69
AUG
29

Sacramento, CA
• 66.2 miles
$25 -$70
🔥 Sacramento… are you ready to MOVE? 🔥 This summer, Move4Life is bringing the heat to California with a race experience that’s bigger than just miles—it’s about energy, purpose, and community. 📅...
5K 10K Half Marathon
11
AUG
29

Sacramento, CA
• 64.3 miles
$30 -$45
🎀 Join the Fight: Breast Cancer Run! 🎀Lace up and make a difference at our annual Breast Cancer Run! Together, we can raise awareness and funds to support those affected by breast cancer. Enjoy a...
1m 5K 10K Half Marathon
30
AUG
29

San Francisco, CA
• 48.4 miles
$30 -$45
🎀 Join the Fight: Breast Cancer Run! 🎀Lace up and make a difference at our annual Breast Cancer Run! Together, we can raise awareness and funds to support those affected by breast cancer. Enjoy a...
1m 5K 10K Half Marathon
21
AUG
29

Woodside, CA
• 41.3 miles
$50 -$110
Experience the towering redwoods, lush ferns, and beautiful trails through Huddart Park, King's Mountain and Bear Gulch. (Distances are accurately measured using a Rolatape® surveyor's measuring...
8K Half Marathon 35K Marathon 50K
59
AUG
30

San Francisco, CA
• 45.6 miles
Start by heading eastbound on the San Francisco Bay Trail. Veer left onto the Golden Gate Promenade, continuing along the waterfront path. At the second right, turn sharply into the Crissy Field...
5K
4
SEP
5

San Jose, CA
• 38.2 miles
$35 -$65
The Night Nation Run is the World’s first Running Music Festival the ultimate blend of a Music Festival and a Fun Run. Experience a music filled course with Live DJs, Bubble Zones, Light Shows,...
15
SEP
5

Stockton, CA
• 27.2 miles
$5 -$60
Welcome to the 5th Annual Taco The Town 5K & 10K! 🌮 Do you like tacos? We do too! We’ve wondered why all races don’t have tacos at the finish line… so we created a run just to put them there!...
1K 5K 10K
33
SEP
6

San Francisco, CA
• 47.1 miles
Out and back course through Mountain Lake Park and the Presidio, rolling hills. Race check-in is near the restrooms/playground near the 12th Avenue entrance to the park.Event details and...
5K
2