Endurance Races in California, United States 2026 431 events
Browse upcoming endurance races in United States. Find dates, distances, and registration links.
Upcoming races
RunningIn 8 months
San Diego 100
◎ Lake Cuyamaca, USA▤ Apr 30, 2027
RunningIn 8 months
Harvest & Howitzer Backyard Ultra
◎ Georgetown, USA▤ Apr 30, 2027
TriathlonIn 8 months
2027 Cal Tri Ventura - 5.2.27
◎ Ventura, USA▤ May 2, 2027
1.5 km / 40 km / 10 km
CyclingIn 8 months
Cycle Through the Vineyards
◎ Temecula, USA▤ May 2, 2027
RunningIn 8 months
Dingneng Wang
◎ San Diego, USA▤ May 8, 2027
RunningIn 8 months
Paiute Meadows Trail Run
◎ Susanville, USA▤ May 8, 2027
RunningIn 8 months
Beer City Half™ Sacramento
◎ Sacramento, USA▤ May 8, 2027
RunningIn 8 months
Born to Run Ultra Marathons
◎ Los Olivos, USA▤ May 12-16, 2027
RunningIn 9 months
ONeill Park Trail Races
◎ Trabuco Canyon, USA▤ May 15, 2027
RunningIn 9 months
Napa Wilderness Trail Runs
◎ Napa, USA▤ May 15, 2027
RunningIn 9 months
Rim Rock 50 Mile Trail Challenge
◎ Napa, USA▤ May 15, 2027
80.5 km
RunningIn 9 months
14th Annual Luc's Run
◎ Tuolumne, USA▤ May 15, 2027
RunningIn 9 months
R&B Running Series
◎ Sacramento, USA▤ May 15, 2027
RunningIn 9 months
Windsor Half Marathon 10K & 5K
◎ Windsor, USA▤ May 15, 2027
10 km
RunningIn 9 months
Bay to Breakers Bus
◎ San Francisco, USA▤ May 16, 2027
RunningIn 9 months
Venice Beach Half Marathon and 5k
◎ Santa Monica, USA▤ May 16, 2027
5 km
RunningIn 9 months
44th Annual Providence Saint John's Health Center Brentwood Run
◎ Los Angeles, USA▤ May 23, 2027
RunningIn 9 months
Pacifico Ultra
◎ Palmdale, USA▤ May 29, 2027
RunningIn 9 months
Beer City Half™ San Jose
◎ San Jose, USA▤ May 29, 2027
RunningIn 9 months
Cerro Gordo Silver Run 2027
◎ Keeler, USA▤ May 29, 2027