No Sleep Till Leadville: Courtney Dauwalter's Colorado Trail FKT Attempt

The Colorado Trail stretches 500 miles from Durango to Waterton Canyon, just southwest of Denver. Finished in 1987, the trail, in total, passes through eight mountain ranges, six national forests and six wilderness areas. Most of it is above 10,000 feet with its highest point reaching 13,271 feet above sea level.