How many races are happening in September 2026 in California?+
Endurance Grid's Race Calendar lists 145 upcoming endurance races in September 2026 in California, across 92 cities.
What sports have races in September 2026 in California?+
Races in September 2026 in California span adventure, aquabike, road cycling, duathlon, mountain bike, rucking, running, swimming, swimrun, trail running, triathlon, and ultramarathon.
Which California cities have races in September 2026?+
Races in September 2026 in California are held in San Diego, Long Beach, Los Angeles, San Francisco, Bakersfield, Sacramento, Auburn, Redondo Beach, San Jose, and Clovis.
How current is this September race calendar for California?+
This page refreshes every day and always shows the next September in California, so the listing never goes stale.