Ultra marathons in California, United States
184 races
Proctor Valley Monster Endurance Run
May 16, 2026 (Sat)
Chula Vista, California, United States
1.7
$100
60K
Corral Canyon Trail Scramble
May 16, 2026 (Sat)
Campo, California, United States
1.2
50K
Nanny Goat
May 23, 2026 (Sat)
Riverside, California, United States
2.5
100mi
6h
12h
24h
Calero Trail Run
May 30, 2026 (Sat)
San Jose, California, United States
1.4
50K
Sonoma Coast Trail Runs
May 30, 2026 (Sat)
Duncans Mills, California, United States
1.5
$119
50K
Eastern Sierra Double Century
May 30, 2026 (Sat)
Bishop, California, United States
$200
200mi
Cinderella Trail Run
May 31, 2026 (Sun)
Joaquin Miller Park, Oakland, California, United States
1.2
50K
Spartan Trail Monterey
May 31, 2026 (Sun)
Salinas, California, United States
1.3
50K
The Sequoia Challengingly Beautiful
May 31, 2026 (Sun)
Los Altos Hills, California, United States
62mi
Showing 176 - 184 of 184 events