Boulder Rez Half

The Boulder Rez Half Marathon is a scenic running event held at the Boulder Reservoir in Colorado, featuring a Half Marathon, 10K, and 5K. The course is primarily on dirt trails, offering stunning views of the surrounding mountain range and a flat terrain with minimal elevation gain. The Half Marathon consists of two loops, while the 10K and 5K have distinct routes.

This USAT Certified Course attracts runners from across the region, providing a festive atmosphere with awards for top finishers and age groups. Participants receive a finisher medal and a race shirt, making it a memorable experience for all. Visit the organization's website for the most recent information.