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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

SPASM Crystal Springs Trail Run

Woodside, California
31 Aug 25
Free - $85.80
🚀Boosted

Avalon Benefit 50 Mile/50K Run

Avalon, California
10 Jan 26
$131.00 - $367.25
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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
23 Feb 26 - 15 Mar 26
$13.00 - $75.00

Ride 4A Reason 2026

Oakland, California
25 Apr 26
$50.00 - $100.00
Showing 41-43 of 43 results
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