Summits Trail Runs

Event overview

The Summits Trail Runs take place at Granby Ranch Resort in Granby, Colorado on Saturday, June 6, 2026. The weekend includes multiple trail events over mountain terrain with single-track trails, alpine meadows, dense forests, and aspen groves. Courses feature varying elevation gain and rugged alpine sections. Time limits vary by event and the combined runner capacity is 250.

Distances offered:

• Elevation Challenge (looped course; total elevation climbed determines result)
• 50k
• Marathon
• Half Marathon
• 6 Mile

The Elevation Challenge uses repeated loops on the West Peak service road. Each loop is 1.98 miles with 766 feet of climb and 766 feet of descent. Only complete loops count toward a participant’s total elevation.

Logistics and support

Start/finish is at Granby Ranch Resort, 1000 Village Rd, Granby, CO 80446. Participant check-in is offered the Friday evening before the event (optionally) and on race morning at the start/finish area. A virtual pre-event briefing is held during the week before the race.

Aid stations are provided and described as well stocked; specific aid station locations and charts are available for participants. Drop bags are allowed at the start/finish aid station, with additional drop bag options for Half Marathon, Marathon, and 50k at the Bootlegger aid station.

Camping is available in a secured parking lot by reservation through Granby Ranch Resort; fees apply and facilities are limited (porta-potty only, no running water or electricity). Spectators are allowed only at the start/finish area; crews and pacers are prohibited. Awards include finisher’s awards for completers and milestone awards for the Elevation Challenge; no awards will be mailed. Visit the organization's website for the most recent information.