Hardrock 100

Silverton, United States • 10 Jul 2026

Event overview

The Hardrock Hundred is a 100-mile ultramarathon held in the San Juan Mountains of southwestern Colorado. The 2026 running is a clockwise loop through backcountry near Silverton and passing near Lake City, Ouray, Telluride and Ophir. The course uses 4WD roads, dirt trails and cross-country terrain. The event takes place on public lands under special permit from the U.S. Bureau of Land Management and U.S. Forest Service.

Course and elevation

Total elevation change for the course is 66,394 feet, with approximately 33,197 feet of ascent and 33,197 feet of descent. The average elevation is about 11,186 feet. The low point is near Ouray at 7,680 feet and the high point is Handies Peak at 14,048 feet. Visit the organization's website for the most recent information.

Additional details

  • The 2026 lottery was scheduled for December 6, 2025.
  • Registration closed on October 14, 2025.
  • The Joel Zucker Memorial Scholarship program awarded sixteen scholarships totaling $47,000 for 2025 and is in its 26th year, with a total of 165 scholarships distributed to date totaling $366,050.
  • Early winter snow in Silverton totaled about 15 inches so far this snow year, versus a historical average of about 30 inches; forecasts indicated increased likelihood of drier conditions linked to La Niña.

Race information

100 mi
100 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

Join Pine Needle Langlauf, a freestyle cross country ski race at Durango Nordic Ski Club with scenic climbs, descents and mountain views. Choose 30K, 15K, 7.5K or 3K and enjoy live music, schwag and an awards ceremony as the series finale.

Run into summer at the San Juan Solstice 50 Mile, a scenic trail challenge crossing wild high country on June 20, 2026. With a limited 300 spots and lottery entry, this is a soulful test of endurance and scenery for adventurous runners.

Experience The John Cappis, a free mountaineering jaunt near Silverton Colorado on June 27, 2026. This rugged off trail challenge uses a changing route and checkpoint scoring so every mile you reach counts toward the finish.

Tackle the Ouray 100 Mile Endurance Run, a rugged 100 mile mountain trail in Colorado featuring massive elevation gain and 14 big climbs. Live tracking keeps fans connected as runners race toward a 52 hour cutoff.