Ironman 70.3 Boulder

The IRONMAN 70.3 Boulder is a premier triathlon event set against the stunning backdrop of Boulder, Colorado, at the foot of the Rocky Mountains. Athletes will experience a unique course that includes a reservoir swim, a scenic and hilly bike ride, and a picturesque run through Boulder’s trails and roads. Known for its mild climate and vibrant community, Boulder offers a perfect setting for endurance sports enthusiasts.

Participants can also enjoy the local culture, including world-class dining and outdoor activities, making it an ideal destination for both competitors and their support crews. Visit the organization's website for the most recent information.