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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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Suvidha International In-Person and Virtual 5K

Folsom, California
27 Apr 25
$22.20
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New Year's One Day

San Jose, California
31 Dec 25 - 01 Jan 26
$85.80 - $197.10
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Hobby Joggers Race Series

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

Badwater Salton Sea, presented by Mount to Coast

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

Ride 4A Reason 2025

Oakland, California
26 Apr 25
$100.00 - $175.00

Orange County Multi-Sport Festival

Mission Viejo, California
27 Apr 25
$72.20 - $336.80

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

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

JP's Backyard Ultra/Hike

Napa, California
27 Sep 25
Free

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

Bedrock Valley Trail Runs

Hemet, California
04 Apr 26 - 05 Apr 26
$16.90 - $112.30

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

Hollywood to the Sea

Los Angeles, California
03 May 25
$700.00

Kids Walk

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

Cycle of Hope

Dublin, California
19 Oct 25
Free - $100.00

Kaiser Permanente Get Fit Festival

Irvine, California
22 Nov 25
$35.00 - $240.00
Showing 1-30 of 30 results