Winter ultra marathons in California, United States
21 races
Calero Trail Run
Dec 6, 2025 (Sat)
San Jose, California, United States
1.3
$131
Ray Miller 50/50
Dec 6, 2025 (Sat)
Malibu, California, United States
1.2 - 1.7
$216.5 - $323
High Desert 50K
Dec 6, 2025 (Sat)
Ridgecrest, California, United States
1
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
Salmon Falls 50K
Feb 28, 2026 (Sat)
Pilot Hill, California, United States
1.1
Showing 1 - 21 of 21 events