Endurance Races in CA, United States 2026
Browse upcoming endurance races in United States. Find dates, distances, and registration links.
519 upcoming races
Upcoming Races
Triathlon
Barbara Schmidt Millar Women's Triathlon & 5K: Celebrating Life, Empowering Women
Aug 30, 2026Nevada City, USA
Run 5 m
Running
Run Tiburon 5K & 10K
Aug 30, 2026Belvedere Tiburon, USA
Run 5 m
Running
Noble Canyon 50K/15K
Sep 5, 2026Pine Valley, USA
Run 50 m
Running
Rose Mile Downhill at Lake Sonoma
Sep 5, 2026Healdsburg, USA
Running
9/11 Run to Remember
Sep 5, 2026Clovis, USA
Running
A Snail's Pace x ASICS Sunset Mile
Sep 5, 2026Santa Ana, USA
Running
Beginner Sailing September 5/6
Sep 5-6, 2026San Diego, USA
Running
Colby Mountain Trailfest
Sep 5, 2026Butte Meadows, USA
Running
2026 San Diego 9/11 Memorial Stair Climb
Sep 5, 2026San Diego, USA
Running
Grape Day 5k - 2026
Sep 5, 2026Escondido, USA
Run 5 m
Running
Diablo Trail Run
Sep 6, 2026Clayton, USA
Triathlon
2026 San Diego Tri Classic & San Diego 5K
Sep 12, 2026San Diego, USA
Swim 2 m | Bike 40 m | Run 10 m
Running
Coke and Donuts Two Fiddy
Sep 12, 2026VENTURA, USA
Running
Spokes and Shadows 12 Hr. Night Mountain Bike Race
Sep 12, 2026Yucaipa, USA
Running
16th Annual Donor Network West Foundation Run/Walk
Sep 12, 2026San Ramon, USA
Running
She.is.beautiful 5k & 10k Santa Barbara 2026
Sep 12, 2026Santa Barbara, USA
Run 5 m
Running
Beer City Half™ Bishop Ranch
Sep 12, 2026San Ramon, USA
Running
Mendocino Running Festival
Sep 12, 2026Mendocino, USA
Running
Stevens Creek Striders Reservoir Run
Sep 12, 2026Cupertino, USA
Running
Berkeley Trail Adventure
Sep 12, 2026Berkeley, USA