Colorado High School Cycling League presents the Cloud City Challenge

This high-altitude course includes a mix of singletrack, doubletrack, and dirt roads that include portions of the Colorado Mountain College Leadville cross-country trail system and Lake County trails maintained by the Cloud City Wheelers. The course is a 6.2-mile loop with 620 feet of climbing per lap. Running clockwise, the course starts and finishes at Colorado Mountain College Leadville.