California Half Marathon Calendar 2025-2026

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Explore the best half marathons in California for 2025-2026! Our updated list features 345 exciting races across the state. Find your next race in California below and join the running community at these great events!

December 2025
Dec
21
Sunday

Holly Jolly Half Marathon

5 km 10 km 13 mi
Dec
27
Saturday

Brazen Almost New Year's Eve

5 km 10 km 13 mi
Dec
28
Sunday

Run In The New Year Half Marathon

5 km 10 km 13 mi
January 2026
Jan
1
Thursday

Brazen New Year's Day

Trail Run 5 km 10 km 13 mi
March 2026
Mar
22
Sunday

Bakersfield Marathon

6 km 10 km 13 mi 26 mi
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