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Running Races in Castro Valley, California

Explore running events in Castro Valley, California during August 2025.

By Month

By Race Type

Top Events

Green Valley Lake 5k/10k/& Half Marathon

Green Valley Lake 5k/10k/& Half Marathon

5K10KHalf-Marathon

Green Valley Lake, CA

Date TBD

8:30 AM PDT

Skyline 50k Endurance Run

Skyline 50k Endurance Run

Ultra

Castro Valley, CA

Date TBD

12:00 AM PDT

2nd Annual Sjvrc One Mile For One Child Orange County Charity Run 2025

2nd Annual Sjvrc One Mile For One Child Orange County Charity Run 2025

5K10K1 Mile

Fountain Valley, CA

Date TBD

8:00 AM PDT