Grand Traverse Mountain Run

Crested Butte, United States • 5 Sep 2026

The Grand Traverse Mountain Run

The Grand Traverse Mountain Run is an ultramarathon from Mt. Crested Butte to Aspen, Colorado, following the route of the Grand Traverse Backcountry Ski race. The point-to-point course is 40 miles long and crosses the Elk Mountains.

The event features over 6,000 feet of elevation gain. There are five aid stations along the course, and drop bags are available at the Taylor Pass aid station and the finish line. Hydration and nutrition on course are provided by official sponsors.

All participants are required to carry mandatory gear, including a waterproof windshield with hood, a hat or buff, and gloves. A Colorado Outdoor Search and Rescue (CORSAR) Card or a current Colorado hunting/fishing license is also required for entry.

Registration and Policies

General registration for the run opens on December 1. The event operates a waitlist, which closes approximately two weeks before race day. The event is a fundraiser for Crested Butte Nordic, a recreational non-profit organization. Race entry refunds or transfers between participants are not offered. The organizers strongly recommend purchasing Racer Protection at registration.

Race Details

Race week includes a pre-race Zoom meeting and bib pick-up at the CB Nordic Center the day before the event. There is no day-of bib pick-up. The race starts in Crested Butte and finishes at Ajax Park in Aspen. A post-race shuttle from Aspen back to Crested Butte is available for a fee, with limited spots. Visit the organization's website for the most recent information.

Race information

64 km
Grand Traverse Mountain Run
Visit the organization's website for the most recent information.
Trail runs nearby

Experience trail running in the Colorado Rockies at Snowmass Village. Choose between a single 6.6 mile loop or endurance challenges of 6 and 24 hours while enjoying mountain views and a village festival atmosphere.

The 1876 Centennial Run in Snowmass Village offers four unique distances, from a 3.76k to an 18.76k challenge. The event starts and ends at the New Belgium Ranger Station and is part of the Colorado Brewery Running Series, with proceeds sup..

Experience Crested Butte’s oldest trail challenge with running and mountain biking events. Choose between a 25 km loop or the classic 15 km sprint in this high elevation mountain competition.

Experience the mountain trails of Aspen Snowmass with three distinct race distances. Runners can choose between a 50K trek across four mountains a 25K trail run or a 10K course starting from the Elk Camp Gondola.