Ultra marathons in California, United States
184 races
Anza Borrego Cuyamaca 50 Mile Run
Dec 6, 2025 (Sat)
Julian, California, United States
1.7
San Joaquin River Trail
Dec 6, 2025 (Sat)
Friant, California, United States
2
Hunter S. Thompson Fear & Loathing
Dec 7, 2025 (Sun)
San Francisco, California, United States
1.8
Doomsday
Dec 13, 2025 (Sat)
Cool, California, United States
1.5
$115
Paramount Ranch Trail Runs
Dec 20, 2025 (Sat)
Agoura Hills, California, United States
1.2
New Year's One Day
Dec 31, 2025 (Wed)
San Jose, California, United States
2.3
$100 - $120
Lost Coast 55K
Jan 3, 2026 (Sat)
Whitethorn, California, United States
1.4
$0
Hacienda Hills Run
Jan 3, 2026 (Sat)
San Jose, California, United States
1.5
$131
Del Dios Trail Race
Jan 4, 2026 (Sun)
Escondido, California, United States
1.1
Avalon Benefit 50
Jan 10, 2026 (Sat)
Avalon, California, United States
1.1 - 1.6
San Diego 50 & Trail Runs
Jan 10, 2026 (Sat)
Escondido, California, United States
1.7
Folsom Lake Sweetwater Trail Run
Jan 24, 2026 (Sat)
Folsom, California, United States
1.4
$131
La Cuesta Ranch Trail Run
Jan 24, 2026 (Sat)
San Luis Obispo, California, United States
1.3
Sean O'Brien 100K/50M/50K
Jan 31, 2026 (Sat)
Calabasas, California, United States
1.2 - 1.9
Mt. Umunhum Trail Conquest
Feb 7, 2026 (Sat)
San Jose, California, United States
1.3
$131
The Ranch 50K
Feb 14, 2026 (Sat)
Escondido, California, United States
1.3
FOURmidable
Feb 21, 2026 (Sat)
Auburn, California, United States
1.1
$125.97
Way Too Cool 50K
Feb 28, 2026 (Sat)
El Dorado County, California, United States
Salmon Falls 50K
Feb 28, 2026 (Sat)
Pilot Hill, California, United States
1.1
Ruck a Chuck 50K
Mar 14, 2026 (Sat)
Foresthill, California, United States
1.1
$80
Santa Barbara Nine Trails
Mar 14, 2026 (Sat)
Santa Barbara, California, United States
1.4
Old West Trail Runs
Mar 14, 2026 (Sat)
Julian, California, United States
1.2
Pirate's Cove 6/12/24 Hour Run/Hike
Mar 20, 2026 (Fri)
San Diego County, California, United States
San Diego Pirate's Cove 6/12/24 Hour Run/Walk
Mar 20, 2026 (Fri)
Cuyamaca Lake, California, United States
Redwood Trail Run
Mar 21, 2026 (Sat)
Oakland, California, United States
1.1
Showing 101 - 125 of 184 events