Found 127 races near Marin County, CA

🎉 Join Your Local Running Community!

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

SEP
11

Santa Venetia, CA
• 41.0 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
SEP
12

San Ramon, CA
• 25.1 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

Brisbane, CA
• 28.4 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
• 28.4 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

San Francisco, CA
• 0.3 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
• 55.3 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

South San Francisco, CA
• 29.2 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
15

Hillsborough, CA
• 35.7 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...
2
SEP
15

Hillsborough, CA
• 35.7 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...
4
SEP
19

Richmond, CA
• 50.5 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
• 37.9 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
SEP
19

Newark, CA
• 25.8 miles
$20 -$100
Music festival run road featuring competitive racing and community celebration
4K
130
SEP
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
85
SEP
20

Pacifica, CA
• 32.8 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
SEP
27

Hayward, CA
• 51.5 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
SEP
27

San Francisco, CA
• 5.4 miles
Join us for the best bargain half marathon in the Bay Area! Three loops around the paved Lake Merced bike path includes aid stations, post-race snacks, finisher ribbons to all participants, and...
4m Half Marathon
4
OCT
4

Santa Rosa, CA
• 10.3 miles
$30 -$105
1 in 8 women will be diagnosed with breast cancer in their lifetime. Cindy is a mother, a wife, a friend who  received this diagnosis.So, we race. We race for awareness. We race for the 1 in...
1K 6K 10K 10m
21
OCT
4

Napa, CA
• 36.1 miles
$70 -$120
The Napa Half Marathon is nestled up in the rolling hills of east Napa. Scenic, rustic and winding roads will take you from the start at Skyline Park through the vineyard lined neighborhoods in a...
6m Half Marathon
46
OCT
4

San Jose, CA
• 41.6 miles
Rock 'n' Roll San Jose brings the party to Silicon Valley with a scenic course through downtown San Jose.
5m Half Marathon
5
939
OCT
4

San Francisco, CA
• 22.1 miles
Scenic, challenging loop course. Starts and finishes at the mini-park located at 34th Avenue and Wawona Street. Event details and scheduleRace day registration and check in 8am-8:45am. Race...
4m
2