USA trail race
Fri, July 10, 2026 · Silverton, Colorado
The hardest 100-miler in America. A high-altitude loop through the San Juan Mountains with 10,000+ m of climbing. Average elevation: 3,400 m. Passes above 4,000 m.
Hardrock 100 is a trail race held on Fri, July 10, 2026 in Silverton, Colorado, USA. TrailSplits currently includes one mapped course for this event, with course maps, elevation profiles, weather context, and pacing tools for the uploaded GPX data.
Race route lab
Open the official GPX in Planner, then choose a nearby start point to build a shorter loop that matches the course demand. This course averages about 60.4 m climb per km.
Fri, July 10, 2026
Selected distance
Vert-focused blueprint with route-finder links into the Planner.
Interactive MapLibre preview with the official GPX track.
Based on the official GPX track.
Hardrock 100 100M — 2025 edition. 100 finishers.
Load the GPX directly into TrailSplits for surface analysis and terrain intel.