Summits Trail Runs

JUN
6
2026
Experience the Rocky Mountains at Granby Ranch Resort with distances ranging from 6 miles to a 14 hour elevation challenge. Runners navigate single track trails through aspen groves and alpine meadows with views of the mountain range.
Sat 6 Jun 2026
34 miles 28 miles 14 miles 6 miles

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Event Overview

The Summits Trail Runs take place at Granby Ranch Resort, located in the Rocky Mountains of Colorado. The event features multiple trail and ultra-distance races set within a landscape of alpine meadows, aspen groves, and dense forests. Participants navigate a variety of terrains, including single-track trails and rugged alpine paths, while observing mountain vistas.

Course Information

The event offers several distinct distance options for participants. The routes involve varying levels of elevation gain as they pass through the natural features of the resort.

Available distances include:

  • 6.1 Miles
  • 13.9 Miles (Half Marathon)
  • 27.8 Miles (Marathon)
  • 33.9 Miles (50k)
  • Elevation Challenge (14-hour)

Elevation Challenge

The Elevation Challenge is a time-based event lasting 14 hours. Final results are determined by the total elevation climbed rather than total mileage. The event is held on a 1.92-mile loop. Each completed loop includes 832 feet of elevation gain and 832 feet of elevation loss, totaling 1,664 feet of elevation change per lap. Only fully completed loops are counted toward a participant's final mileage. Visit the organization's website for the most recent information.

34 mi
50k
28 mi
Marathon
14 mi
Half Marathon
6 mi
6-Mile
Elevation Challenge (14-Hr)
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