Pulling race details. Checking the course notes.
Pulling race details. Checking the course notes.


The High Lonesome 100 is a 101-mile loop race held July 17, 2026, starting and finishing at County Road 321 near Mount Princeton, Colorado. The course features 23,500 feet of elevation gain with a high point of 13,100 feet, traversing single track, mining roads, gravel roads, and paved roads through the Sawatch range. Runners encounter alpine passes, the Continental Divide, and Colorado Trail sections. The race has a 37-hour cutoff time. Entry fee is $465.
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