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Half Marathons found in California in September
View all ↓Half Marathons in California in September 2025
Find A Race is the US's favourite event listings site. Check out our list of September 2025 Half Marathons in California below.
Race Calendar: Half Marathons found in September
Disneyland Halloween Half Marathon Weekend 2025
Anaheim, California
05 Sep 25 - 11 Sep 25
$138.80 - $284.50
Teaching & Learning Collaborative Charity Group Registration (2025 Disneyland Halloween Half Marathon Weekend )
Anaheim, California
05 Sep 25 - 07 Sep 25
$34.29 - $473.50
Diablo Trail Run
Clayton, California
07 Sep 25
Free - $85.80
Rocky Ridge 2025
San Ramon, California
20 Sep 25
San Diego Holiday Half Marathon
San Diego, California
14 Dec 24 - 20 Dec 25
$85.93 - $160.66
Showing 1-5 of 5 results