Hardrock 100 Endurance Run
Date: July 10, 2026
Location: Silverton, Colorado, United States
Distances: 100M
Description: The Hardrock 100 is an extreme high-alpine ultramarathon looping through the San Juan Mountains, with 33,000 feet of climbing above 11,000 feet elevation. Runners navigate remote passes and rugged terrain in one of the most demanding races globally. ITRA-qualified, it's a bucket-list event for elite trail runners seeking alpine adventure.
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