Find Your Next Castro Valley, California Race


Each Castro Valley, California race has links to its marketing page and registration page. Whether you are looking for a Castro Valley running event, a Castro Valley cycling, or a Castro Valley triathlon you will find your race experience listed below.


Jul 22, 2025 (Estimated)
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Oct 7, 2025 (Estimated)
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Jan 1, 2025 (Estimated)
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Feb 18, 2025 (Estimated)
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Nov 4, 2025 (Estimated)
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May 7, 2025 (Estimated)
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Aug 6, 2025 (Estimated)
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Jul 16, 2025 (Estimated)
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Castro Valley, California Information

Castro Valley current weather
  • Fog 47.9℉ Fog
  • Castro Valley Flights

    Find Your Next Castro Valley Race Near You

    Find your next Castro Valley marathon, Castro Valley half marathon, Castro Valley 10K, Castro Valley 5K, Castro Valley cycling, Castro Valley triathlon, Castro Valley adventure run, Castro Valley virtual races, and many other races by city. These races have star ratings, race maps, race results, race reviews, race charities, race products, etc. Alternatively, search for a race in another city here.

    Find Your Next Castro Valley Charity Race

    Some Castro Valley races may support a charity and fundraise to support and raise charitable donations. These charities may have fundraising teams that run for a cause and allow you to make a difference while running for a charity. You can find charities and fundraisers sponsored by Castro Valley races here.

    Add Your Castro Valley Race To our Calendar

    You can add your Castro Valley race to our calendar for free. Whether you choose to use us for registration or not you can utilize our growth tools for free. If you would like a demo of our free online registration software for Castro Valley races Contact Us Today!

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