Hardrock 100

The Hardrock 100 is a challenging 100-mile ultramarathon held in the San Juan Mountain Range of Southern Colorado. Participants face a total elevation change of 66,394 feet, with an average elevation of over 11,000 feet. The course features a mix of 4WD roads, dirt trails, and cross-country sections, showcasing the region's rugged beauty.

The event connects several historic mining towns, including Silverton, Ouray, and Telluride. The Hardrock 100 not only tests endurance but also honors the land's indigenous heritage, inviting participants to acknowledge the ancestral homelands of the Ute, Puebloan, and Diné peoples. Visit the organization's website for the most recent information.