The IRONMAN 70.3 Boulder is a half-distance triathlon event in Boulder, USA, featuring a 1.9 km swim, 90 km bike, and 21.1 km run. The course showcases the local landscape and offers a competitive yet supportive racing atmosphere. As part of the IRONMAN 70.3 series, it provides qualification opportunities for the IRONMAN 70.3 World Championship.
Date
Aug 2-3, 2026
Location
Boulder, CO, USA
Sport
Triathlon
Website