Endurance Grid lists one hundred thirty-one sprint duathlons across the US, from September 2026 to October 2027 across 29 states.
A sprint duathlon is typically a 5K run, 20K bike, then 2.5K run.
Sprint duathlons are busiest in September and October, with the most in Florida, Texas, California, and Michigan.
Endurance races happening in the next 7 days, in date order. Browse what’s coming up and sign up soon.
+ 11 more happening in the next 7 days below — keep scrolling.