Join us on 11 April. This beautiful spectator-friendly Half Marathon, 10K and 5K course attracts athletes from all over the west due to its phenomenal scenery, glamorous finisher medals, perfect running temperatures, and awesome post-race party.
The run course loops around the Boulder Reservoir and remains mostly on dirt trails. The course is flat with only 200 feet of elevation gain. You will experience iconic views of the mountain range to the west.