High Five 100 - Lake City, CO
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Event details
The High Five 100 is a long-distance running challenge based in Lake City, Colorado, held on August 7, 2026. The event is presented as a 100-mile challenge with a practical route estimated between 90–105 miles and more than 40,000 ft of elevation gain. The route traverses terrain in the San Juan Mountains and includes summits of five 14ers and six 13ers. Registration opens January 1, 2026.
Course format and rules
The route is not marked and consists of 24 specified locations made up of proof points and checkpoints. Runners must visit all points in order. Checkpoints are the only places where runners may receive aid from a crew or a previously supplied drop bag. Proof point procedures are disclosed at a pre-challenge meeting the evening before the event. Participants choose their own route between points. Runners must return to Lake City within a 48-hour cutoff to be recognized as having finished. There is no entry fee, no aid stations, and no finish medal. Runners are expected to follow wilderness regulations and respect the land. Visit the organization's website for the most recent information.
