Endurance Races in California, United States 2026 399 events
Browse upcoming endurance races in United States. Find dates, distances, and registration links.
Upcoming races
RunningIn 5 weeks
Cahuilla Rez Ultra
◎ Anza, USA▤ Oct 17, 2026
RunningIn 5 weeks
The Peak 50K, Marathon & Half Marathon
◎ Julian, USA▤ Oct 17, 2026
50 km
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Sonoma Fall Classic
◎ Healdsburg, USA▤ Oct 17, 2026
RunningIn 5 weeks
California Gold Rush Trail Run - Fall
◎ Coloma, USA▤ Oct 17, 2026
RunningIn 5 weeks
The Jackalope Lope
◎ Redding, USA▤ Oct 17, 2026
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Advanced Sailing October 17 US Sailing 101
◎ San Diego, USA▤ Oct 17, 2026
RunningIn 5 weeks
Back to the Future: 88 MPH Dash 5K, 10K & Half
◎ Canoga Park, USA▤ Oct 17, 2026
5 km
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Diablo Summit Stomp 2026
◎ Walnut Creek, USA▤ Oct 17, 2026
RunningIn 5 weeks
2026 - City to the Sea Half Marathon & 5K
◎ San Luis Obispo, USA▤ Oct 18, 2026
21.1 km
TriathlonIn 5 weeks
2026 Cal Tri LA - 10.18.26
◎ Playa Del Rey, USA▤ Oct 18, 2026
1.9 km / 90 km / 21.1 km
RunningIn 5 weeks
Beverly Hills Run of the Stars: 2026
◎ Beverly Hills, USA▤ Oct 18, 2026
RunningIn 5 weeks
Lake Tahoe Marathon
◎ Lake Tahoe, USA▤ Oct 18, 2026
42.195 km
SwimmingIn 5 weeks
2026 San Diego Sharkfest Swim
◎ Coronado, USA▤ Oct 18, 2026
RunningIn 5 weeks
Cloverdale Vineyard Races: 10K and 5K
◎ Cloverdale, USA▤ Oct 18, 2026
10 km
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SeaWorld Howl-O-Sprint 5K
◎ San Diego, USA▤ Oct 18, 2026
5 km
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48th Annual Pumpkin Run by Senior Coastsiders October 18, 2026
◎ Half Moon Bay, USA▤ Oct 18, 2026
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Lake Tahoe Marathon Events
◎ South Lake Tahoe, USA▤ Oct 18, 2026
42.2 km
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Weekend at Burney
◎ Burney, USA▤ Oct 22, 2026
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NorCal Backyard Ultra
◎ Granite Bay, USA▤ Oct 23-24, 2026
RunningIn 5 weeks
San Diego 200
◎ Escondido, USA▤ Oct 23, 2026