April 10Ks within 50 miles of Castro Valley, CA

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1. Lantern Run San Francisco
2. Santa Teresa County Park - King Richard
3. Artichoke Half Marathon
4. Woodside/Purisima Creek Crossover
5. Chicken Run 5K/10K
6. Diablo Trails Challenge
7. Airport Runway Run
8. Grizzly Peak
9. Pleasanton Run for Education
10. Presidio 10
11. Earth Day Run for Our Schools
12. Lagoon Valley Ultimate Trail Run
13. Rancho San Vicente Trail Challenge
14. Saratoga Trail Run
15. Mt. Tam Wild Boar Half Marathon
16. LMJS Fourth Sunday Race - April
17. Marin County Half Marathon
18. Loop The Lagoon
19. Romancing the Island Half Marathon
20. Sierra Azul Challenge Run

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.