Summits Trail Runs
Granby, United States • 6 Jun 2026
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.