Summits Trail Runs
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Summits Trail Runs - Granby Ranch Resort
Summits Trail Runs is scheduled for Saturday, June 12, 2027 at Granby Ranch Resort in Granby, Colorado. The weekend offers multiple trail distances and a timed Elevation Challenge, with combined runner capacity limited to 250 and varying time limits by event.
Distances offered include:
- Elevation Challenge (14 hour event)
- 50K
- Marathon
- Half Marathon
- 6 Mile
Course terrain includes mountain single-track, alpine meadows, and forested sections with significant elevation gain. Course maps, interactive CalTopo maps, elevation profiles, and aid station charts are provided by the organizer. Well-stocked aid stations are listed on the aid station chart.
The Elevation Challenge uses a service road loop on West Peak. Each complete loop is 1.98 miles with 766 feet of climb and 766 feet of descent, and results are measured by total elevation climbed over the 14 hour period. Aid stations are located at the top and bottom of the loop and participants check in at both locations.
Registration opens December 1, 2026 and online registration closes June 8, 2027; race-day registration is allowed as space permits. Race shirts and finisher awards are not guaranteed for registrations after May 31, 2027. Participant check-in is available the evening before and on race morning, and a virtual pre-event briefing is held during the week prior.
Camping options are available through the resort for a fee with specific check-in and checkout rules. Spectators are permitted only at the Start/Finish. Crews and pacers are prohibited. All finishers receive a unique finisher award; podium and age-group awards are not provided and awards will not be mailed. Visit the organization's website for the most recent information.
