April Half Marathons within 100 miles of Pacifica, CA
City Location
1. Santa Teresa King Richard Annual Trail Run
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Apr 5, 2025Saturday
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13.1M, 10M, 10K, 5K trail run
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San Jose, CA
30 miles point to pointSanta Clara County, CA
2. Diablo Trails Challenge
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Past DateApr 6, 2024Saturday
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50K, 13.1M, 10K, 5K trail run
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Walnut Creek, CA
30 miles point to pointContra Costa County, CA
3. Golden Gate Headlands Marathon
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Past DateApr 6, 2024Saturday
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26.2M, 13.1M, 10K trail run
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Mill Valley, CA
20 miles point to pointMarin County, CA
4. Annadel Half Marathon
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Past DateApr 7, 2024Sunday
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13.1M, 10K, 5K trail run
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Santa Rosa, CA
59 miles point to pointSonoma County, CA
5. Lake Sonoma 50
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Past DateApr 12, 2024Friday
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13.1M trail run
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Healdsburg, CA
72 miles point to pointSonoma County, CA
6. Rodeo Beach Rumble
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Past DateApr 13, 2024Saturday
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13.1M run | 8K trail run
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Sausalito, CA
17 miles point to pointMarin County, CA
7. Romancing the Island Half Marathon
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Past DateApr 13, 2024Saturday
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13.1M, 10K trail run
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Tiburon, CA
18 miles point to pointMarin County, CA
8. SPASM Lake Chabot
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Past DateApr 13, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 8K trail run | kids run
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Castro Valley, CA
22 miles point to pointAlameda County, CA
9. Woodside Crossover
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Past DateApr 13, 2024Saturday
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50K, 35K, 13.1M, 10K trail run
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Woodside, CA
18 miles point to pointSan Mateo County, CA
10. Napa Valley Endurance Run
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Past DateApr 14, 2024Sunday
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50K, 35K, 13.1M trail run
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Calistoga, CA
67 miles point to pointNapa County, CA
11. Surfer's Path Half Marathon
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Past DateApr 14, 2024Sunday
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13.1M run
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Santa Cruz, CA
50 miles point to pointSanta Cruz County, CA
12. Badger Cove Half Marathon
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Apr 20, 2024Saturday
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13.1M, 10K, 5K trail run
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Livermore, CA
38 miles point to pointAlameda County, CA
13. IPA10K, Brewfest & Beer Mile
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Apr 20, 2024Saturday
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13.1M, 10K, 3K run | 1M novelty run
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Sebastopol, CA
57 miles point to pointSonoma County, CA
14. Sierra Azul Trail Challenge
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Apr 20, 2024Saturday
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50K, 26.2M, 20M, 13.1M, 7M, 5K trail run
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San Jose, CA
30 miles point to pointSanta Clara County, CA
15. Horseshoe Lake
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Apr 21, 2024Sunday
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50K, 26.2M, 30K, 13.1M, 5M trail run | kids run
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La Honda, CA
23 miles point to pointSan Mateo County, CA
16. American River Parkway Half Marathon
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Apr 27, 2024Saturday
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13.1M, 5K run | kids run
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Sacramento, CA
85 miles point to pointSacramento County, CA
17. Mt. Tam Wild Boar Half Marathon
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Apr 27, 2024Saturday
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13.1M, 10K trail run
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Mill Valley, CA
20 miles point to pointMarin County, CA
18. Napa Spring Half Marathon
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Apr 28, 2024Sunday
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13.1M, 5K run
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Napa, CA
48 miles point to pointNapa County, CA
19. Om Run
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Apr 28, 2024Sunday
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13.1M, 10K, 5K run
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Los Gatos, CA
38 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.
