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Ultra Marathons found in California
View all ↓Ultra Marathons in California 2026 - 2027
The most comprehensive list of Ultra Marathons in and near California in 2026 - 2027. Find your perfect race!
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Race Calendar: Ultra Marathons found in California
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San Joaquin River Trail 10k/25k/50k
Friant, California
Sat 05 Dec 26
$48.70 - $133.50
🚀Boosted
L.A. CHINATOWN FIRECRACKER 5K/10K/KIDDIE/PAW'ER DOG RUN/WALK & BIKE RIDE
Los Angeles, California
Sat 20 Feb 27 - Sun 21 Feb 27
$13.00 - $81.00
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SGRAIL Marin - Triathlon & Trail Half Marathon
San Rafael, California
Fri 02 Oct 26 - Sun 04 Oct 26
Free - $410.50
Ridge Creek Run Club 12 Hour Ultra
Dinuba, California
Sat 10 Oct 26
$102.20
Ruth Anderson Memorial Endurance Run
San Francisco, California
Sat 10 Oct 26
Free
Lake Hodges Trail Festival
San Diego, California
Sat 17 Oct 26 - Sun 18 Oct 26
$16.90 - $154.70
The Jackalope Lope
Redding, California
Sat 17 Oct 26
$69.90 - $96.40
2026 Cal Tri LA - 10.18.26
Playa Del Rey, California
Sun 18 Oct 26
Free - $526.00
Lake Evans Triathlon, 5k & 10k
Bakersfield, California
Sun 18 Oct 26
$54.50 - $1,051.50
OC United 2026 Pumpkin Run and Ride
Fullerton, California
Sat 24 Oct 26
$25.00 - $40.00
Island View Endurance Run
Goleta, Santa Barbara
Sat 24 Oct 26 - Sun 25 Oct 26
$75.00 - $350.00
Finish The Ride and Finish The Run Santa Clarita
Valencia, California
Sun 25 Oct 26
$16.90 - $117.60
2026 Optimism Cal Tri Newport Dunes - 11.1.26
Newport Beach, California
Sun 01 Nov 26
$47.49 - $788.50
2026 Morro Bay Triathlon
Morro Bay, California
Sun 01 Nov 26
$64.60 - $305.50
Lake Chabot Trail Run
Castro Valley, California
Sat 07 Nov 26
Free - $96.40
2026 Kaiser Permanente Get Fit Festival
Irvine, California
Sat 07 Nov 26
$40.00 - $270.00
San Joaquin River Trail 10k/25k/50k
Friant, California
Sat 05 Dec 26
$48.70 - $133.50
New Year's One Day
San Jose, California
Thu 31 Dec 26
$96.40 - $218.30
San Diego 50 & Trail Runs
Escondido, California
Sat 09 Jan 27
$16.90 - $165.30
Avalon Benefit 50 Mile/50K Run
Avalon, California
Sat 09 Jan 27
$178.25 - $486.95
SPASM Crystal Springs Trail Run
Woodside, California
Sun 17 Jan 27
Free - $96.40
Golden Gate Trail Run
Sausalito, California
Sat 06 Feb 27
Free - $96.40
Dalton Canyon Ultra
Glendora, California
Sat 06 Feb 27
$69.90 - $133.50
FOURmidable
Auburn, California
Sat 13 Feb 27
$43.40 - $85.80
L.A. CHINATOWN FIRECRACKER 5K/10K/KIDDIE/PAW'ER DOG RUN/WALK & BIKE RIDE
Los Angeles, California
Sat 20 Feb 27 - Sun 21 Feb 27
$13.00 - $81.00
Montara Mountain Trail Run
Pacifica, California
Sat 20 Feb 27
Free - $96.40
5.0
Finish The Ride and Finish The Run Griffith Park
Los Angeles, California
Sat 20 Mar 27 - Sun 21 Mar 27
$11.60 - $144.10
VALENCIA Trail Race
Valencia, California
Sat 20 Mar 27
$93.22 - $178.02
Redwood (Spring) Trail Run
Oakland, California
Sat 20 Mar 27
Free - $96.40
Bedrock Valley Trail Runs
Hemet, California
Sat 03 Apr 27 - Sun 04 Apr 27
$16.90 - $122.90
Release the Kraken 5K. 10K. 18 Miler & 50K
Long Beach, California
Sat 03 Apr 27
$43.40 - $91.10
Run4Kids Ultra Running Party
Corona, California
Fri 16 Apr 27 - Sat 17 Apr 27
$63.54 - $158.94
Silver Moon Race: Kings River
Reedley, California
Sat 17 Apr 27 - Sun 18 Apr 27
$75.20 - $234.20
Horseshoe Lake Trail Run
Los Gatos, California
Sat 17 Apr 27
Free - $96.40
Mountains 2 Beach Marathon and Half
Ventura, California
Sat 17 Apr 27 - Sun 18 Apr 27
$28.55 - $202.39
2027 Granfondo San Diego
San Diego, California
Sun 18 Apr 27
$64.53 - $214.68
SPASM Lake Chabot Trail Run
Castro Valley, California
Sat 24 Apr 27
Free - $96.40
Orange County Multisport Festival
Mission Viejo, California
Sun 25 Apr 27
$61.40 - $293.60
Santa Clarita Trail Race
Santa Clarita, California
Sat 01 May 27
$48.70 - $181.20
2027 Cal Tri Ventura - 5.2.27
Ventura, California
Sun 02 May 27
$36.89 - $526.00
Grizzly Peak Trail Run
Berkeley, California
Sat 08 May 27
Free - $96.40
Diablo Trail Run
Clayton, California
Sun 23 May 27
Free - $96.40
Showing 1-40 of 58 results
