May Ultras within 50 miles of Castro Valley, CA on Saturdays
1. Hacienda Hills Run
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May 3, 2025Saturday
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50K, 26.2M, 13.1M, 9M, 10K, 5K trail run
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San Jose, CA
19 miles point to pointSanta Clara County, CA
2. Miwok 100K
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May 3, 2025Saturday
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100K trail run
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Stinson Beach, CA
33 miles point to pointMarin County, CA
3. Grizzly Peak Trail Run
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Past DateMay 11, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 10K trail run | kids run
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Berkeley, CA
16 miles point to pointAlameda County, CA
4. Quicksilver Endurance Runs
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Past DateMay 11, 2024Saturday
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100K, 50K trail run
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San Jose, CA
19 miles point to pointSanta Clara County, CA
5. Calero Trail Run
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May 31, 2025Saturday
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50K, 26.2M, 25K, 13.1M, 15K, 10K, 5K trail run
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San Jose, CA
19 miles point to pointSanta Clara 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.