Grin & Bear It

JUL
10
2027
A Crested Butte trail event with 15 km and 25 km run options plus a technical 25 km mountain bike race, featuring alpine climbs and a Green Lake turnaround.
Sat 10 Jul 2027
25 kilometers 15 kilometers

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The Grin & Bear It

The Grin & Bear It is a trail running and mountain bike event held at the Crested Butte Nordic Center in downtown Crested Butte on July 10, 2027. Distances offered include:

  • 15 km run
  • 25 km run
  • 25 km mountain bike race

The 25 km loop for both runners and bikers gains and loses about 2,900 feet and begins and ends at the Nordic Center. The course climbs through singletrack and switchbacks to a high saddle and a course high point at 10,983 feet, then follows a rocky, traversing section before reaching the Green Lake trail junction. Runners use a 0.3 mile spur to reach Green Lake and a small aid station; bikers continue on the main route instead. The final section is a descending 4.5 mile stretch that drops roughly 2,100 feet back into town.

The 15 km run is an out-and-back route with about 1,600 feet of elevation gain and loss. It follows singletrack and dirt roads to Green Lake and returns to the Nordic Center via rocky double track.

Course support is limited: volunteers carry and filter water at aid stations, energy gels are supplied at aid points, and all participants must carry a minimum of 16 oz of water. There is a saddle cut-off on the route for both runs and bikes. Podium awards are not used; prizes include a $100 premium opportunity for the first runners or bikers to reach designated checkpoints and randomly selected prizes for finishers. Visit the organization's website for the most recent information.

25 km
25 Km Run Race
15 km
15 Km Run Race
25 Km Mountain Bike

Events nearby

A downtown Crested Butte nordic ski event on January 30, 2027 featuring multiple distances, a costume contest, prize purses, and a community skiathlon the following day.
Minimally supported ski mountaineering tour around Gothic Mountain in Crested Butte on February 14, 2027, with 23.5 mile competitive and 17.85 mile recreational courses.
A 40-mile point-to-point ultramarathon from Crested Butte to Aspen across the Elk Mountains with 6,000+ feet of climbing, mandatory gear, aid stations, and mandatory tracking.
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