September Half Marathons within 100 miles of Fremont, CA
1. Crystal Springs
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Sep 1, 2024Sunday
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50K, 26.2M, 35K, 13.1M, 8K trail run | kids run
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Woodside, CA
17 miles point to pointSan Mateo County, CA
2. Groves Trail Run
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Sep 7, 2024Saturday
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50K, 30K, 13.1M trail run
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Loma Mar, CA
26 miles point to pointSan Mateo County, CA
3. Mt. Madonna Challenge
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Sep 7, 2024Saturday
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13.1M, 10K, 5K run | 13.1M, 10K, 5K trail run
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Gilroy, CA
43 miles point to pointSanta Clara County, CA
4. Delta Harvest Run
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Sep 8, 2024Sunday
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13.1M, 10K, 5K, 1M run
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Brentwood, CA
31 miles point to pointContra Costa County, CA
5. Diablo Trail Run
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Sep 8, 2024Sunday
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50K, 26.2M, 13.1M, 10M, 4M trail run | kids run
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Clayton, CA
27 miles point to pointContra Costa County, CA
6. ICC Sevathon
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Past DateSep 10, 2023Sunday
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13.1M, 10K, 5K run
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Los Gatos, CA
22 miles point to pointSanta Clara County, CA
7. Berkeley Trail Adventure
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Sep 14, 2024Saturday
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50K, 35K, 13.1M, 10K trail run
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Berkeley, CA
27 miles point to pointAlameda County, CA
8. South Hills Single Track Trail Run
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Sep 14, 2024Saturday
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50K, 26.2M, 16M, 13.1M, 9M, 10K, 5K trail run
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San Jose, CA
8 miles point to pointSanta Clara County, CA
9. Quicksilver Trail Challenge
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Past DateSep 16, 2023Saturday
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13.1M, 10K trail run | kids run
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San Jose, CA
8 miles point to pointSanta Clara County, CA
10. Rocky Ridge Trail Half Marathon
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Sep 21, 2024Saturday
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13.1M, 10K, 5K trail run
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San Ramon, CA
16 miles point to pointContra Costa County, CA
11. Clo Cow Half Marathon
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Sep 22, 2024Sunday
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13.1M, 10K, 5K run
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Petaluma, CA
58 miles point to pointSonoma County, CA
12. Honey Badger Half
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Sep 22, 2024Sunday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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San Rafael, CA
41 miles point to pointMarin County, CA
13. Arnold Rim Trail Endurance Runs
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Sep 28, 2024Saturday
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37M, 22M, 13.1M, 10K trail run
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Arnold, CA
100 miles point to pointCalaveras County, CA
14. Big Sur Trail Marathon
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Sep 28, 2024Saturday
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26.2M, 13.1M, 5M trail run
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Big Sur, CA
89 miles point to pointMonterey County, CA
15. Pacifica Summit Run
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Sep 28, 2024Saturday
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30K, 13.1M, 10K trail run
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Pacifica, CA
27 miles point to pointSan Mateo County, CA
16. Moonlight Run & Walk
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Past DateSep 29, 2023Friday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Palo Alto, CA
12 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.