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Ultra Marathons found in California in Spring

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Ultra Marathons in California in Spring 2025

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

Race Calendar: Ultra Marathons found in Spring

πŸš€Boosted

Silver Moon Race: Kings River

Reedley, California
12 Apr 25 - 13 Apr 25
$80.50 - $234.20
πŸš€Boosted

Mount to Coast presents Badwater Salton Sea

Borrego Springs, California
26 Apr 25 - 27 Apr 25
$394.75 - $499.75
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Bedrock Valley Trail Runs

Hemet, California
05 Apr 25 - 06 Apr 25
$16.90 - $144.10

SPASM Lake Chabot Trail Run

Castro Valley, California
12 Apr 25
Free - $85.80

Silver Moon Race: Kings River

Reedley, California
12 Apr 25 - 13 Apr 25
$80.50 - $234.20

Ride 4A Reason 2025

Oakland, California
26 Apr 25
$100.00 - $150.00

Mount to Coast presents Badwater Salton Sea

Borrego Springs, California
26 Apr 25 - 27 Apr 25
$394.75 - $499.75

Suvidha International In-Person and Virtual 5K

Folsom, California
27 Apr 25
$22.20

Orange County Multi-Sport Festival

Mission Viejo, California
27 Apr 25
$66.80 - $320.60

Run4Kids Ultra Running Party

Corona, California
02 May 25 - 03 May 25
$84.74 - $158.94

Hollywood to the Sea

Los Angeles, California
03 May 25
$700.00

Grizzly Peak Trail Run

Berkeley, California
10 May 25
Free - $85.80

Proctor Valley Monster Endurance Run

Chula Vista, California
17 May 25
$62.30 - $103.50

Eastern Sierra Double Century

Bishop, California
31 May 25
$176.55

Malibu to Tahoe Annual Challenge

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

Miwok 100K

Stinson Beach, California
06 Jan 25 - 03 May 25
$150.00 - $450.00

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
Showing 1-15 of 15 results