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Ultra Marathons found in California in September

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Ultra Marathons in California in September 2025

Find A Race is the US's favourite event listings site. Check out our list of September 2025 Ultra Marathons in California below.

Race Calendar: Ultra Marathons found in September

🚀Boosted

Kids Walk

Loma Linda, California
01 Sep 25 - 30 Sep 25
Free - $16.90
🚀Boosted

Hobby Joggers Race Series

Temecula, California
01 Jan 25 - 31 Dec 25
Free - $27.50
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Hobby Joggers Race Series

Temecula, California
01 Jan 25 - 31 Dec 25
Free - $27.50

JP's Backyard Ultra/Hike

Napa, California
27 Sep 25
Free

Pinkathon 2025 Virtual and In-Person Challenge for Breast Cancer!

Any Place in the World!, California
01 May 25 - 31 Oct 25
Free - $27.50

Kids Walk

Loma Linda, California
01 Sep 25 - 30 Sep 25
Free - $16.90
Showing 1-4 of 4 results