Found 222 races

🎉 Join Your Local Running Community!

Connect with runners, find training partners, and celebrate every finish together

SEP
6

Auburn, CA
• 74.0 miles
$59 -$89
" Mammoth Bar Trail Runs take place on the single-track and double-track trails of Mammoth Bar OHV Area in Auburn Sta...
10K Half Marathon
68
SEP
6

San Francisco, CA
• 39.2 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
3
SEP
9

San Francisco, CA
• 36.8 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
SEP
9

Hillsborough, CA
• 49.5 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
SEP
11

Santa Venetia, CA
• 31.3 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
SEP
12

San Ramon, CA
• 32.9 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
SEP
12

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

Brisbane, CA
• 57.8 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
SEP
12

Brisbane, CA
• 57.8 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
SEP
12

Atwater, CA
• 100.5 miles
$25 -$250
Walkers & kids welcome for the 5K! Last year was such a success, we are doing it again! Castle Air Force Base is no stranger to a 5K/10K run but this race includes a run through Castle Air...
5K 10K
25
SEP
12

San Francisco, CA
• 38.0 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
SEP
12

Bloomfield, CA
• 44.7 miles
$45 -$160
The Running Fence Run: A Run of Freedom On September 12, 2026, runners return to the stunning Sonoma County hills to celebrate two milestone anniversaries: The 50th anniversary of Christo &...
5K 10K Half Marathon Marathon
96
SEP
13

Granite Bay, CA
• 52.5 miles
$15 -$55
Granite Bay 5 & 10K New Name, New Trails, Same Community Heart: Welcome to the Granite Bay 5K!The tradition you love is back—but with a fresh look and more ways to move! This year, we are...
5K 4m 10K
11
SEP
13

South San Francisco, CA
• 58.5 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
SEP
13

Lodi, CA
• 40.8 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
SEP
15

Hillsborough, CA
• 65.2 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...
2
SEP
15

Hillsborough, CA
• 65.2 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...
4
SEP
18

Auburn, CA
• 66.7 miles
$75 -$499
Join the Ultimate Loop Adventure in the Heart of Trail Country! Mile Madness is more than a race—it's a vibrant celebration of endurance, community, and personal triumph. Set against the stunning...
100m
39
SEP
19

Richmond, CA
• 41.0 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
SEP
19

Half Moon Bay, CA
• 69.9 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