The most difficult 100-miler in America. A clockwise or counter-clockwise loop through the San Juan Mountains with 13 major climbs, five passes above 13,000ft, and an average elevation of 11,186ft.
Extreme alpine terrain with steep climbs, technical descents, snow fields, and exposed ridges above treeline
Lottery with strict qualifying standards (must finish a Hardrock qualifier)
33,050 feet
33,050 feet
14,048ft
7,680ft
Elevation Range: 6,368 feet
First major test with KT and Virginius Pass. Some of the most beautiful and brutal terrain.
Oscar's Pass and Engineer Pass. High alpine exposure with significant altitude.
Midnight climb of Grant Swamp Pass. Night navigation in extreme terrain.
Handies Peak (14,048ft) is the highest point. Oxygen is thin, view is unbelievable.
Final climbs and descents back to Silverton. No easy miles in Hardrock.
Hardrock isn't about pace—it's about survival and forward progress. Power hiking is the primary mode of movement. The goal is to keep moving consistently, eating regularly, and not making mistakes that lead to DNF. Most finishers hike 70-80% of the course.
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