Cirque Series - Arapahoe Basin

The Cirque Series at Arapahoe Basin is a thrilling mountain running event scheduled for September 6, 2025. Participants will tackle a challenging 9.4-mile course with an elevation gain of 2,411 feet, starting from the base at 10,780 feet. The route features stunning views and diverse terrain, including established trails in the White River National Forest.

Runners can compete in three divisions: Sport, Expert, and Pro, with prizes awarded for top finishers in each category. The event also includes a vibrant finish line celebration with live music and food, making it a memorable experience for all participants. Visit the organization's website for the most recent information.