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Marathons found in California in May
View all ↓Marathons in California in May 2026
Find A Race is the US's favourite event listings site. Check out our list of May 2026 Marathons in California below.
Race Calendar: Marathons found in May
🚀Boosted
Cinderella Trail Run
Oakland, California
30 May 26
Free - $85.80
5.0
🚀Boosted
Project Youth OC - 2025 OC Marathon
Costa Mesa, California
02 May 26 - 03 May 26
Free
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The Hoag OC Marathon Running Festival
Costa Mesa, California
02 May 26
Free - $147.06
Grizzly Peak Trail Run
Berkeley, California
09 May 26
Free - $85.80
Cinderella Trail Run
Oakland, California
30 May 26
Free - $85.80
5.0
Project Youth OC - 2025 OC Marathon
Costa Mesa, California
02 May 26 - 03 May 26
Free
Showing 1-4 of 4 results