Half Marathon Trail Runs in California
City Location
1. Kirkwood Thunder Mountain Trail Challenge
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Past DateJul 22, 2023Saturday
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50K, 30K, 13.1M, 8M, 10K, 5K trail run
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Kirkwood, CA
El Dorado County, CA
2. 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
Santa Clara County, CA
3. Celebration of Life - Trail Trek
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Past DateSep 24, 2023Sunday
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13.1M, 5K trail run
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Willits, CA
Mendocino County, CA
4. Griffith Park Trail Run
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Past DateOct 1, 2023Sunday
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13.1M, 11K trail run | kids run
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Los Angeles, CA
Los Angeles County, CA
5. Shasta Lake Ultra and Trail Half Marathon
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Past DateOct 14, 2023Saturday
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13.1M trail run
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Lakehead, CA
Shasta County, CA
6. Fleet Feet Fall Classic
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Past DateOct 22, 2023Sunday
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13.1M, 4M trail run
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Chico, CA
Butte County, CA
7. Quarry Turkey Half Marathon
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Past DateNov 25, 2023Saturday
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13.1M, 10K, 5K trail run | kids run
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Fremont, CA
Alameda County, CA
8. Folsom Lake Trail Half Marathon
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Past DateDec 9, 2023Saturday
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13.1M trail run
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El Dorado Hills, CA
El Dorado County, CA
9. Summit Rock Half Marathon
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Past DateDec 9, 2023Saturday
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13.1M, 10K, 5K trail run
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Saratoga, CA
Santa Clara County, CA
10. Woodside Ramble
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Past DateDec 16, 2023Saturday
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50K, 35K, 13.1M, 10K trail run
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Woodside, CA
San Mateo County, CA
11. Brazen New Year's Eve
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Past DateDec 31, 2023Sunday
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13.1M, 10K, 5K trail run
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Castro Valley, CA
Alameda County, CA
12. Brazen New Years Day Runs
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Past DateJan 1, 2024Monday
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13.1M, 10K, 5K trail run
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Castro Valley, CA
Alameda County, CA
13. Hacienda Hills Run
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Past DateJan 6, 2024Saturday
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50K, 26.2M, 13.1M, 9M, 10K, 5K trail run
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San Jose, CA
Santa Clara County, CA
14. Horsethief Canyon Half Marathon
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Past DateJan 6, 2024Saturday
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13.1M trail run
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Alpine, CA
San Diego County, CA
15. Crystal Springs (Winter) Trail Run
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Past DateJan 14, 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
16. Coyote Hills Half Marathon
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Past DateJan 20, 2024Saturday
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13.1M, 10K, 5K trail run
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Fremont, CA
Alameda County, CA
17. China Camp Challenge
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Past DateJan 27, 2024Saturday
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13.1M, 10K, 5K trail run
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San Rafael, CA
Marin County, CA
18. Folsom Lake Sweetwater Trail Run
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Past DateJan 27, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 9M, 10K, 5K trail run
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Folsom, CA
Sacramento County, CA
19. Golden Gate (Winter)
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Past DateFeb 3, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 8K trail run | kids run
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Sausalito, CA
Marin County, CA
20. Mt. Umunhum Trail Conquest
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Past DateFeb 3, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 7M, 5K trail run
More Information
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San Jose, 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.
