High Lonesome 100
Always double-check with the organizer's website! This page may contain affiliate links.
Course overview
The High Lonesome 100 is a loop trail race in the Sawatch Range of the Colorado Rockies that starts and finishes at County Road 321 at the base of Mount Princeton. The official distance is 100 miles and the course has a 37 hour cutoff.
Average elevation is listed at 10,426 feet with a high point near 13,100 feet and a low point near 8,200 feet. Total elevation gain is listed at 23,300 feet. About 15 percent of the route is above treeline.
The route uses a mix of surfaces: roughly 66 percent single track, 27 percent mining roads, 3 percent gravel roads, and 4 percent paved roads. It includes approximately 27 miles on the Continental Divide Trail and 35 miles on the Colorado Trail. The course crosses five alpine passes, runs through two historical ghost towns, passes remote basins and soaring ridges, and finishes with a long section of single track on the Colorado Trail.
Organizers provide downloadable course files including a full map, KMZ and GPX files, and turn by turn directions. Aid stations, crew access notes, and a crew manual are documented separately for those reviewing course logistics and support. Visit the organization's website for the most recent information.
