Hardrock 100

Organiser

Hardrock 100

Silverton, Colorado, United States

9–11 Jul 2027

Confirmed Closed

A 100-mile loop through the San Juan Mountains with 33,441 ft of climbing and an average elevation of 11,186 ft.

Train for this race

About

The Hardrock 100 is a 100-mile loop through the San Juan Mountains of Colorado, starting and finishing in Silverton. The course climbs 33,441 ft and descends the same, topping out at 14,048 ft on Handies Peak with a low point of 7,680 ft in Ouray.

Entry is by lottery. The 2027 lottery registration has closed and the draw is on Saturday 5 December 2026, livestreamed and held in Golden, Colorado.

Distances

Name Distance Gain Loss Vert / km Min altitude Max altitude Start Start location Finish Course Cutoff Terrain Technicality Aid stations Badges Entry fee
Hardrock 100 160.9 km 10,193 m — 63.3 m/km — — 9 Jul 2027 06:00 America/Denver Silverton, Colorado Silverton, Colorado Loop 48 h Mountain — — — —
Hardrock 100 terrain notes

Clockwise loop with 33,441 ft of climb and 33,441 ft of descent. Average elevation 11,186 ft, high point Handies Peak at 14,048 ft, low point 7,680 ft in Ouray.

Registration

Status
Closed
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Links

Notes

2027 lottery registration is closed. The draw is on Saturday 5 December 2026 at 9 am MST. Clockwise direction in 2027. The Hardrock 100 Scholarship applications close 15 December.

Last verified 14 Nov 2026

Image: Organiser