September Ultras in California
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
San Mateo County, CA
2. China Peak Running Festival
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Sep 7, 2024Saturday
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100K, 50K, 25K, 10K trail run
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Lakeshore, CA
Fresno County, CA
3. 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
San Mateo County, CA
4. Mendocino Running Festival
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Sep 7, 2024Saturday
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12H, 6H, 13.1M, 10K trail run | 6H relay
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Mendocino, CA
Mendocino 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
Contra Costa County, CA
6. 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
Alameda County, CA
7. Noble Canyon 50K
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Sep 14, 2024Saturday
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50K trail run
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Pine Valley, CA
San Diego 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
Santa Clara County, CA
9. Ride To Walk Endurance Race
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Past DateSep 23, 2023Saturday
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48H, 24H, 100M, 12H, 6H trail run
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Rocklin, CA
Placer County, CA
10. Loop the Lake 5K
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Past DateSep 24, 2023Sunday
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555K, 1M run
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Stockton, CA
San Joaquin County, CA
11. 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
Calaveras County, CA
12. Dick Collins Firetrails
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Sep 28, 2024Saturday
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100K, 50M, 26.2M trail run
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Castro Valley, CA
Alameda County, CA
13. Mt Umunhum to Quicksilver Point to Point
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Sep 28, 2024Saturday
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50K, 26.2M, 25K trail run
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San Jose, CA
Santa Clara County, CA
14. Sunset & Cider Trail Races
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Sep 28, 2024Saturday
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50K, 13.1M, 5M trail run
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Auburn, CA
Placer County, CA
15. That's No Moon
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Sep 28, 2024Saturday
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50M, 50K, 30K trail run
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Silverado, CA
Orange County, CA
16. Spartan Trail - San Jose Trail Challenge
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Sep 29, 2024Sunday
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50K, 21K, 10K trail run
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Saratoga, CA
Santa 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.