May Half Marathons in California 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
Santa Clara County, CA
2. Folsom Lake Trail Run
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Past DateMay 4, 2024Saturday
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50K, 30K, 13.1M, 10K trail run
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Folsom, CA
Sacramento County, CA
3. Santa Barbara Wine Country Half Marathon
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May 10, 2025Saturday
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13.1M run | 13.1M relay
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Solvang, CA
Santa Barbara County, CA
4. Stinson Beach Half Marathon
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May 10, 2025Saturday
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13.1M, 7M run
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Stinson Beach, CA
Marin County, CA
5. Stinson Beach/Muir Woods Marathon
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May 10, 2025Saturday
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26.2M, 13.1M, 7M trail run
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Stinson Beach, CA
Marin County, CA
6. Yosemite Half Marathon
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May 10, 2025Saturday
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13.1M run
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Bass Lake, CA
Madera County, CA
7. 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
Alameda County, CA
8. Mermaid Run Mare Island
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Past DateMay 11, 2024Saturday
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13.1M, 10K, 5K run
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Women Only
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Vallejo, CA
Solano County, CA
9. Nitro Trail Half Marathon
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Past DateMay 11, 2024Saturday
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13.1M, 10K, 5K trail run
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San Pablo, CA
Contra Costa County, CA
10. Sunshine Sprint
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Past DateMay 11, 2024Saturday
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13.1M, 10K, 5K run
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Santa Monica, CA
Los Angeles County, CA
11. Trail Run at Sly Park
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Past DateMay 11, 2024Saturday
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50K, 26.2M, 18M, 13.1M, 8.5M, 10K, 5K trail run
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Pollock Pines, CA
El Dorado County, CA
12. TVNO - Tamil Vetri Nadai Odu - SFBATM Racing
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Past DateMay 11, 2024Saturday
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13.1M, 15K, 10K, 5K run
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Sunnyvale, CA
Santa Clara County, CA
13. 13 Mile Trail Race Top Down
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May 17, 2025Saturday
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13.1M trail run
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San Jose, CA
Santa Clara County, CA
14. La Jolla Half Marathon & 5K
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May 17, 2025Saturday
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13.1M, 5K run
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San Diego, CA
San Diego County, CA
15. Bee Happy 5K, 10K, and Half Marathon
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Past DateMay 18, 2024Saturday
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13.1M, 10K, 5K run
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Santa Monica, CA
Los Angeles County, CA
16. Pacifica Foothills Trail Run
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Past DateMay 18, 2024Saturday
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30K, 13.1M, 10K trail run
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Pacifica, CA
San Mateo County, CA
17. Sutter Buttes Spirit Mountain Run
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Past DateMay 18, 2024Saturday
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13.1M, 10K, 5K run
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Sutter, CA
Sutter County, CA
18. Wildcat Half Marathon
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Past DateMay 18, 2024Saturday
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13.1M, 10K, 5K trail run
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El Sobrante, CA
Contra Costa County, CA
19. Placerville Path Memorial Day Run
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May 24, 2025Saturday
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13.1M, 15K, 10K, 5K trail run
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Placerville, CA
El Dorado County, CA
20. Armed Forces Half Marathon
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Past DateMay 25, 2024Saturday
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13.1M run
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Briones Regional Park, CA
Contra Costa 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.