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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

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Los Angeles Frontrunners Pride Run 2025

Los Angeles, California
15 Jun 25
$43.40 - $48.70
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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

Mount to Coast presents Badwater Salton Sea

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

Ride 4A Reason 2025

Oakland, California
26 Apr 25
$100.00 - $150.00

Orange County Multi-Sport Festival

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

Suvidha International In-Person and Virtual 5K

Folsom, California
27 Apr 25
$22.20

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

Cinderella Trail Run

Oakland, California
01 Jun 25
Free - $85.80

Holcomb Valley Trail Run

Big Bear Lake, San Bernardino
14 Jun 25

Los Angeles Frontrunners Pride Run 2025

Los Angeles, California
15 Jun 25
$43.40 - $48.70

San Lorenzo River Trail Run

Santa Cruz, California
12 Jul 25
Free - $85.80

Redwood (Summer) Trail Run

Oakland, California
16 Aug 25
Free - $85.80

Ruth Anderson Memorial Endurance Run

San Francisco, California
11 Oct 25
Free

Finish The Ride and Finish The Run Santa Clarita

Valencia, California
26 Oct 25
$11.60 - $96.40

Lake Chabot Trail Run

Castro Valley, California
08 Nov 25
Free - $85.80

San Joaquin River Trail 10k/25k/50k

Friant, California
06 Dec 25
$48.70 - $133.50

New Year's One Day

San Jose, California
31 Dec 25 - 01 Jan 26
$85.80 - $197.10

Avalon Benefit 50 Mile/50K Run

Avalon, California
10 Jan 26
$99.40 - $304.25

San Diego 50 & Trail Runs

Escondido, California
10 Jan 26
$16.90 - $144.10

9th Annual BRAVE Race 2026

Aliso Viejo, California
22 Feb 26
Free - $56.00

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

Kids Walk

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

Cycle of Hope

Dublin, California
19 Oct 25
$10.00 - $100.00
Showing 1-30 of 30 results