Ultra Relays within 100 miles of Castro Valley, CA
1. SF One Day
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Past DateJun 15, 2024Saturday
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24H, 12H, 6H, 30M run | 24H, 12H, 6H relay
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San Francisco, CA
19 miles point to pointSan Francisco County, CA
2. New Year's One Day
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Dec 31, 2024Tuesday
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24H, 100M, 12H, 6H run | 24H, 12H, 6H relay
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San Jose, CA
19 miles point to pointSanta Clara County, CA
3. San Francisco Marathon
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Jul 27, 2025Sunday
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52.4M, 26.2M, 13.1M, 5K run | 52.4M relay
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Boston Marathon Qualifier
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San Francisco, CA
19 miles point to pointSan Francisco County, CA
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.