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Ultra Marathons found in California

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Ultra Marathons in California 2025 - 2026

The most comprehensive list of Ultra Marathons in and near California in 2025 - 2026. Find your perfect race!

Race Calendar: Ultra Marathons found in California

🚀Boosted

2025 Cal Tri LA - 10.19.25

Playa Del Rey, California
19 Oct 25
Free - $526.00
🚀Boosted

Finish The Ride and Finish The Run Santa Clarita

Valencia, California
26 Oct 25
$11.60 - $101.70
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San Lorenzo River Trail Run

Santa Cruz, California
11 Jul 26
Free - $85.80

Tahoe to Malibu Annual Challenge

Anywhere, California
01 Jan 24 - 31 Dec 25
$53.75

L.A. CHINATOWN FIRECRACKER 5K/10K/KIDDIE/PAW'ER DOG RUN/WALK & BIKE RIDE

Los Angeles, California
28 Feb 26 - 15 Mar 26
$13.72 - $74.14
Showing 41-43 of 43 results
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