Ultramarathons in California, United States 2026
Anything beyond the marathon — 80 kilometres and up. Browse upcoming events in United States.
6 upcoming races
Upcoming Races
Running
Angeles Crest 100 Mile Endurance Run
Oct 3, 2026Wrightwood, USA
Run 161 m
Running
Rio Del Lago 100 Mile + 50K Endurance Runs
Nov 7, 2026Granite Bay, USA
Run 161 m
Running
310K Run/walk powered by Leslie Cohen Law
Nov 22, 2026Santa Monica, USA
Run 310 m
Running
Anza Borrego Cuyamaca 50 Mile Run
Dec 5, 2026Julian, USA
Run 81 m
Running
Avalon Benefit 50 Mile/50K Run
Jan 9, 2027Avalon, USA
Run 81 m
Running
Rim Rock 50 Mile Trail Challenge
May 15, 2027Napa, USA
Run 81 m