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Ultra Marathons found in California
View all ↓Ultra Marathons in California 2025 - 2026
The most comprehensive list of Ultra Marathons in and near California in 2025 - 2026. Find your perfect race!
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Race Calendar: Ultra Marathons found in California
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Finish The Ride and Finish The Run Griffith Park
Los Angeles, California
Sat 02 May 26 - Sun 03 May 26
$11.60 - $85.80
🚀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 Half™ 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
