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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

πŸš€Boosted

Finish The Ride and Finish The Run Griffith Park

Los Angeles, California
Sat 02 May 26 - Sun 03 May 26
$11.60 - $85.80
πŸš€Boosted

Ride 4A Reason 2026

Oakland, California
Sat 25 Apr 26
$50.00 - $100.00
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2025 Optimism Cal Tri Newport Dunes - 11.2.25

Newport Beach, California
Sun 02 Nov 25
$64.97 - $526.00

Lake Chabot Trail Run

Castro Valley, California
Sat 08 Nov 25
Free - $85.80

2025 Kaiser Permanente Get Fit Festival

Irvine, California
Sat 22 Nov 25
$40.00 - $270.00

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

Friant, California
Sat 06 Dec 25
$54.00 - $149.40

New Year's One Day

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

Avalon Benefit 50 Mile/50K Run

Avalon, California
Sat 10 Jan 26
$131.00 - $367.25

San Diego 50 & Trail Runs

Escondido, California
Sat 10 Jan 26
$16.90 - $165.30

Crystal Springs Trail Run

Woodside, California
Sun 18 Jan 26
Free - $85.80

Golden Gate Trail Run

Sausalito, California
Sat 07 Feb 26
Free - $85.80

Beer City Halfβ„’ San Diego

San Diego, California
Sat 14 Feb 26
Free - $107.00

Montara Mountain Trail Run

Pacifica, California
Sat 21 Feb 26
Free - $85.80

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

Los Angeles, California
Sat 28 Feb 26 - Sun 01 Mar 26
$13.00 - $81.00

VALENCIA Trail Race

Valencia, California
Sat 21 Mar 26
$91.10 - $154.70

Redwood (Spring) Trail Run

Oakland, California
Sat 21 Mar 26
Free - $85.80

Silver Moon Race: Kings River

Reedley, California
Sat 04 Apr 26 - Sun 05 Apr 26
$85.80 - $234.20

Lake Sonoma 100K, 50K, TS Half Marathon

Geyserville, California
Sat 11 Apr 26
$117.60 - $295.00

SPASM Lake Chabot Trail Run

Castro Valley, California
Sat 11 Apr 26
Free - $85.80

Bedrock Valley Trail Runs

Hemet, California
Sat 11 Apr 26 - Sun 12 Apr 26
$16.90 - $122.90

Run4Kids Ultra Running Party

Corona, California
Fri 17 Apr 26 - Sat 18 Apr 26
$63.54 - $158.94

Badwater Salton Sea, presented by Mount to Coast

Borrego Springs, California
Sat 18 Apr 26 - Sun 19 Apr 26
$394.75

Mountains 2 Beach Marathon and Half

Ventura, California
Sat 18 Apr 26 - Sun 19 Apr 26
$22.19 - $212.99

Horseshoe Lake Trail Run

La Honda, California
Sat 18 Apr 26
Free - $85.80

Ride 4A Reason 2026

Oakland, California
Sat 25 Apr 26
$50.00 - $100.00

Orange County Multi-Sport Festival

Mission Viejo, California
Sun 26 Apr 26
$50.60 - $272.00

Finish The Ride and Finish The Run Griffith Park

Los Angeles, California
Sat 02 May 26 - Sun 03 May 26
$11.60 - $85.80

2026 Cal Tri Ventura - 5.3.26

Ventura, California
Sun 03 May 26
$31.59 - $526.00

Grizzly Peak Trail Run

Berkeley, California
Sat 09 May 26
Free - $85.80

Cinderella Trail Run

Oakland, California
Sat 30 May 26
Free - $85.80
5.0

Shadow of the Giants 50k & 20k Run

Fish Camp, California
Sat 06 Jun 26
$85.80 - $138.80

San Lorenzo River Trail Run

Santa Cruz, California
Sat 11 Jul 26
Free - $85.80

San Francisco Marathon

San Francisco
Sat 25 Jul 26 - Sun 26 Jul 26
$77.19 - $421.57

Tahoe to Malibu Annual Challenge

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

5th Annual Dia de los Muertos 75 Mile Challenge!

livermore, California
Sat 13 Sep 25 - Sun 02 Nov 25
$32.80 - $54.00

MS Run the US Ultra Relay

Santa Monica, California
Mon 23 Mar 26
Free

Solvang Double Century

Buellton, California
Sat 28 Mar 26
$175.90

Miwok 100K

Stinson Beach, California
Sat 02 May 26
$310.00 - $460.00

Saddle2Surf

Norco, California
Sun 04 Oct 26
$80.50 - $160.00

Lake Hodges Trail Festival

San Diego, California
Sat 17 Oct 26 - Sun 18 Oct 26
$16.90 - $117.60

2026 Cal Tri LA - 10.18.26

Playa Del Rey, California
Sun 18 Oct 26
Free - $526.00
Showing 1-39 of 39 results