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
Running
Alameda Island Running Festival
Sep 20, 2026Alameda, USA
Triathlon
Albany Community Triathlon 2026
Sep 20, 2026Albany, USA
Swim 0 m | Bike 10 m | Run 3 m
Running
Aloha Run Long Beach
Sep 20, 2026Long Beach, USA
Swimming
South Bay Swim for Mental Health
Sep 20, 2026Redondo Beach, USA
Running
Belmont Park's Dipper Dash 5K
Sep 20, 2026San Diego, USA
Run 5 m
Running
Stronger Together 2026! 1K/5k Walk/Run and Family Event! Sunday, September 20th
Sep 20, 2026Aptos, USA
Run 1 m
Running
San Francisco Aloha Run
Sep 20, 2026San Francisco, USA
Running
Mammoth Trailfest
Sep 25-27, 2026Mammoth Lakes, USA
Running
33rd YCMA Stair Climb & Urban Hike
Sep 25, 2026Los Angeles, USA
Running
2026 Vintage Festival 5K Fun Run
Sep 26, 2026Sonoma, USA
Run 5 m
Running
Mount Disappointment Mountain Race
Sep 26, 2026Mt. Wilson, USA
Running
Bandit Ultra Trail
Sep 26, 2026Los Angeles (Simi Valley), USA
Running
Double Peak Challenge 10k
Sep 26, 2026San Marcos, USA
Run 10 m
Running
Dick Collins Firetrails
Sep 26, 2026Castro Valley, USA
Running
Ridge Rambler Half Marathon
Sep 26, 2026Bridgeport, USA
Run 21 m
Running
Blazin' Eagles 5K Fun Run/Walk
Sep 26, 2026Modesto, USA
Run 5 m
Running
Be The Light 5K
Sep 26, 2026Valencia, USA
Run 5 m
Running
Ascot Hills Challenge 5K
Sep 26, 2026Los Angeles, USA
Run 5 m
Other
2.2 for 22 Challenge for Veterans Expo at LPC
Sep 26, 2026Livermore, USA
Running
Ridge Rambler 5k
Sep 26, 2026Bridgeport, USA
Run 5 m