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Ultra Marathons Near California
Showing the next 50 runs that match your filters
Featured
Always Hope Easter Run 5K/10K/13.1 - San Francisco
Family friendly Easter fun run!
Date: Apr 4, 2026 - Saturday
Size: 100 - 500 participants
Location: San Francisco, California
Featured
Always Hope Easter Run 5K/10K/13.1 - San Diego
Easter family fun run!
Date: Apr 4, 2026 - Saturday
Size: 100 - 500 participants
Location: San Diego, California
American River Endurance Run
Date: Apr 4, 2026 - Saturday
Size: 500 - 1,000 participants
Location: El Dorado Hills, California
San Jose Spartan Event Weekend
Date: Apr 4-5, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Oakdale, California
Diablo Trails Challenge
Date: Apr 4, 2026 - Saturday
Size: 100 - 500 participants
Location: Walnut Creek, California
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Ragnar Road So Cal
Date: Apr 10-11, 2026 - Friday to Saturday
Size: 1,000 - 5,000 participants
Location: Coronado, California
Lake Sonoma 50 Mile, Marathon, and Trail Sisters Half Marathon
Date: Apr 11, 2026 - Saturday
Size: 100 - 500 participants
Location: Geyserville, California
Napa Valley Endurance Run
Date: Apr 12, 2026 - Sunday
Size: 100 - 500 participants
Location: Calistoga, California
Run4Kids
Date: Apr 17-18, 2026 - Friday to Saturday
Size: 100 - 500 participants
Location: Corona, California
Sierra Azul Trail Challenge
Date: Apr 18, 2026 - Saturday
Size: 1 - 100 participants
Location: San Jose, California
Mendocino Coast 50K
Date: Apr 18, 2026 - Saturday
Size: 100 - 500 participants
Location: Mendocino, California
Woodside Crossover
Date: Apr 18, 2026 - Saturday
Size: 100 - 500 participants
Location: Woodside, California
The Canyons Endurance Run by UTMB
Date: Apr 24-25, 2026 - Friday to Saturday
Size: 1,000 - 5,000 participants
Location: Auburn, California
Las Virgenes Canyon Ultra Trail Races
Get $15.00 Off - Use Code TRAILS15
Date: Apr 25, 2026 - Saturday
Size: 100 - 500 participants
Location: Los Angeles, California
Wild Wild West Marathon And Ultra
Date: May 2, 2026 - Saturday
Size: 100 - 500 participants
Location: Lone Pine, California
Santa Clarita Trail Race
Date: May 2-3, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Santa Clarita, California
Quicksilver Endurance Runs
Date: May 9, 2026 - Saturday
Size: 100 - 500 participants
Location: San Jose, California
Grizzly Peak Trail Run
Date: May 9, 2026 - Saturday
Size: 100 - 500 participants
Location: Berkeley, California
John Wayne Grit Series – Newport Coast
Get 15% Off - Use Code RUN15
Date: May 9, 2026 - Saturday
Size: 100 - 500 participants
Location: Laguna Beach, California
Sly Park Trail Run - Spring Edition
Date: May 9, 2026 - Saturday
Size: 1 - 100 participants
Location: Pollock Pines, California
Silver State 50 Miler, 50K, Half Marathon
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Reno, Nevada
Bishop High Sierra Ultras
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Bishop, California
Corral Canyon Trail Scramble
Date: May 16, 2026 - Saturday
Size: 1 - 100 participants
Location: Campo, California
Mission Trails Twilight Runs
Date: May 23, 2026 - Saturday
Size: 100 - 500 participants
Location: San Diego, California
Cinderella Trail Run
Date: May 30, 2026 - Saturday
Size: 100 - 500 participants
Location: Oakland, California
Sawmill Relay
Date: Jun 6, 2026 - Saturday
Size: 100 - 500 participants
Location: Las Vegas, Nevada
Mt Umunhum Ultras
Date: Jun 6, 2026 - Saturday
Size: 100 - 500 participants
Location: San Jose, California
DeCelle Memorial Lake Tahoe Relay
Date: Jun 6, 2026 - Saturday
Size: 100 - 500 participants
Location: South Lake Tahoe, California
Tahoe 200 Endurance Run
Date: Jun 12-16, 2026 - Friday to Tuesday
Size: 100 - 500 participants
Location: Stateline, Nevada
Holcomb Valley Trail Run
Date: Jun 12-14, 2026 - Friday to Sunday
Size: 100 - 500 participants
Location: Big Bear Lake, California
Orange Curtain Runs
Date: Jun 19-20, 2026 - Friday to Saturday
Size: 100 - 500 participants
Location: Cerritos, California
Sparks Backyard Ultra
Date: Jun 20, 2026 - Saturday
Size: 100 - 500 participants
Location: Sparks, Nevada
Running With The Devil
Date: Jun 27, 2026 - Saturday
Size: 100 - 500 participants
Location: Las Vegas, Nevada
Western States Endurance Run
Date: Jun 27-28, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Olympic Valley, California
Big Chief 50K Ultra Trail Run
Date: Jun 28, 2026 - Sunday
Size: 500 - 1,000 participants
Location: Tahoe City, California
San Lorenzo River Trail Run
Date: Jul 11, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Santa Cruz, California
Tahoe Trail
Date: Jul 17-19, 2026 - Friday to Sunday
Size: 100 - 500 participants
Location: Truckee, California
Tahoe Rim Trail Endurance Runs
Date: Jul 18-19, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Carson City, Nevada
South Bay 24 & South Bay Mini
Date: Jul 24, 2026 - Friday
Size: 100 - 500 participants
Location: San Diego, California
San Francisco Marathon
Date: Jul 26-28, 2026 - Sunday to Tuesday
Size: 10,000+ participants
Location: San Francisco, California
Rodeo Valley Trail Run
Date: Aug 1, 2026 - Saturday
Size: 100 - 500 participants
Location: Tamalpais-Homestead Valley, California
ET Full Moon Midnight Marathon
Date: Aug 1-2, 2026 - Saturday to Sunday
Size: 500 - 1,000 participants
Location: Alamo, Nevada
Skyline 50K Endurance Run
Date: Aug 2, 2026 - Sunday
Size: 100 - 500 participants
Location: Castro Valley, California
The Napa Lapa Trail Adventure
Date: Aug 8, 2026 - Saturday
Size: 1 - 100 participants
Location: Napa, California
Bulldog 50K and 25K Trail Runs
Date: Aug 15, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Agoura Hills, California
Almaden Hills Trail Run - Summer Edition
Date: Aug 15, 2026 - Saturday
Size: 1 - 100 participants
Location: San Jose, California
Sly Park Trail Run - Summer Edition
Date: Aug 22, 2026 - Saturday
Size: 1 - 100 participants
Location: Pollock Pines, California
SPASM Lake Chabot Trail Run
Date: Aug 30, 2026 - Sunday
Size: 100 - 500 participants
Location: Castro Valley, California
Crystal Springs Summer Trail Run
Date: Aug 30, 2026 - Sunday
Size: 100 - 500 participants
Location: Woodside, California
Diablo Trail Run
Date: Sep 6, 2026 - Sunday
Size: 100 - 500 participants
Location: Clayton, California
China Peak Running Festival
Date: Sep, 2026 (TBD)
Size: 100 - 500 participants
Location: Fresno County, California
Berkeley Trail Adventure
Date: Sep 12, 2026 - Saturday
Size: 100 - 500 participants
Location: Berkeley, California
