Boulder Rez Marathon

The Boulder Rez Marathon is a scenic running event held at the Boulder Reservoir in Colorado, featuring a variety of race distances including a marathon, half marathon, 3/4 marathon, and 10K. The course primarily consists of dirt roads and trails, offering stunning views of the reservoir and the Rocky Mountains, with minimal elevation gain. The event is USATF sanctioned and includes options for early and race day packet pickup.

Participants receive a finisher medal and a shirt, with awards for top finishers in various age groups. Volunteers are also welcomed to assist during the event. Visit the organization's website for the most recent information.