Cirque Series - Arapahoe Basin

Keystone, United States • 6 Sep 2025

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 a mix of established trails in the White River National Forest, including technical sections and scenic singletrack. 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 atmosphere with live music and food, making it a memorable experience for all participants. Visit the organization's website for the most recent information.

Race information

9 mi
2411 m+
9.4 Miles
Visit the organization's website for the most recent information.
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