Upcoming Races Near Castro Valley, CA in September, 2025

Name: 23rd Annual MRC-MEF Run for Education
Start: 2025-09-28
End: 2025-09-28
Location: Martinez

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BRAIN Foundation 5K /10K Run Community Partner ...

Sunnyvale, CA

Sunday, September 14th, 2025

View details for race BRAIN Foundation 5K /10K Run Community Partner Signup

9th Annual SJVRC ONE MILE FOR ONE CHILD Charity...

San Jose, CA

Sunday, September 14th, 2025

1 Mile

10K

View details for race 9th Annual SJVRC ONE MILE FOR ONE CHILD Charity Run 2025

BRAIN Foundation 5K /10K Run

Sunnyvale, CA

Sunday, September 14th, 2025

10K

1 Mile

View details for race BRAIN Foundation 5K /10K Run

Presentation Fall Festival Fun Run 2025

Stockton, CA

Saturday, September 20th, 2025

1 Mile

View details for race Presentation Fall Festival Fun Run 2025

Pinoy Runners Norcal 7K / .7M Fun Run

Brisbane, CA

Saturday, September 20th, 2025

View details for race Pinoy Runners Norcal 7K / .7M Fun Run

The 40th Annual Newark Mile 4k (2025)

Newark, CA

Saturday, September 20th, 2025

View details for race The 40th Annual Newark Mile 4k (2025)

17th Annual GO2 San Francisco Bay Area 5K

San Mateo, CA

Sunday, September 21st, 2025

View details for race 17th Annual GO2 San Francisco Bay Area 5K

Alameda Island Running Festival

Alameda, CA

Sunday, September 21st, 2025

Half

10K

View details for race Alameda Island Running Festival

Half Moon Bay Beach Safety Run

Half Moon Bay, CA

Sunday, September 21st, 2025

10K

Trail

View details for race Half Moon Bay Beach Safety Run

National Coffee Day: Run for Coffee SAN FRANCISCO

San Mateo, CA

Saturday, September 27th, 2025

10K

Half

View details for race National Coffee Day: Run for Coffee SAN FRANCISCO

St. Agnes Friends of the Poor Walk

Concord, CA

Saturday, September 27th, 2025

View details for race St. Agnes Friends of the Poor Walk

National Singles Day: Singles & Friends Running...

San Mateo, CA

Saturday, September 27th, 2025

10K

Half

Trail

View details for race National Singles Day: Singles & Friends Running Club SAN FRANCISCO

Fast Track to a Cure Bay Area

Richmond, CA

Saturday, September 27th, 2025

Trail

View details for race Fast Track to a Cure Bay Area

17th Annual Sevathon 2025 | 5K Walk/Run, 10K Wa...

Sunnyvale, CA

Sunday, September 28th, 2025

10K

View details for race 17th Annual Sevathon 2025 | 5K Walk/Run, 10K Walk/Run, Tiny Trots 1K, Virtual Runs

23rd Annual MRC-MEF Run for Education

Martinez, CA

Sunday, September 28th, 2025

View details for race 23rd Annual MRC-MEF Run for Education

Explore more in Castro Valley, CA

Distances:

5K 10K Half Marathon Marathon

Months:

September October November

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

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