Summits Trail Runs
Granby, United States • 6 Jun 2026
Event overview
The Summits Trail Runs take place at Granby Ranch Resort in Granby, Colorado on June 6, 2026. The event is organized by Human Potential Running Series and has a combined runner capacity of 250. Time limits vary by event. Registration for 2026 opens December 1, 2025; online registration closes June 2, 2026. Race information notes that registrations after May 25, 2026 are not guaranteed a race shirt or finisher's award.
Course and logistics
Distances offered include:
- Elevation Challenge (loop-based, elevation totals determine results)
- 50k
- Marathon
- Half Marathon
- 6 Mile
Courses run on single-track trails, alpine meadows, aspen groves, and other mountain terrain with varying elevation gain. The Elevation Challenge uses repeated loops on the East Peak; each loop is 1.92 miles with 832 feet ascent and 832 feet descent (1,664 feet total change). Aid stations are provided and noted as well stocked; the Elevation Challenge has an aid station at the top and another at the bottom of the loop. Drop bags are allowed at the Start/Finish aid station; some multi-loop events may use an additional aid station.
Spectators are allowed only at the start/finish area. Crews and pacers are permitted only for the Elevation Challenge, with a maximum of three crew members at one time. Camping near the Start/Finish is available with a reservation; fees and limited facilities apply. All events are held under permit with private landowners at Granby Ranch Resort. Visit the organization's website for the most recent information.