Grin & Bear It
About this race
The Grin & Bear It is Crested Butte’s oldest trail challenge. Historically presented as a sprint to Green Lake and back, this classic event has evolved to offer a 25k Loop competition while still maintaining the traditional 15k race.
New in 2025, the Grin and Bear it BIKE! This route will follow the 25k run route, excluding the .7 miles to Green Lake and back. This challenging route is roughly 14.83 miles with just under 4k feet of climbing.
Note- there is minimal swag and no podium awards for this event.
Join fellow runners on July 12, 2025 for the Grin & Bear It. It's a fantastic 25K, 15K, 23.9K featuring a flat and fast course in Crested Butte.
Pick your distance
Running
25 km Loop
Cut Off @ mile 6.21- 10:00 am (~19 min, 30 sec mile times) Runners should strive for a 18.25 minute miles or less to finish in 4:45 minutes
15 km Out and Back
Runners should strive for a 17:42 minute miles or less to finish under 2 hours and 45 minutes
Cycling
Mountain Bike
Bike | 14.83 miles Start Time: 11 am Mile 6.21 Cut Off 1:10 pm (moving at a rate of 3 mph) Riders should strive for ~14 minute mile times to finish in 3.5 hours
Weather Overview
These values reflect historical conditions on the race dates in Crested Butte in 2025, from Open-Meteo archive data.
About Crested Butte
Grin & Bear It takes place in Crested Butte, Colorado, United States. The local timezone is America/Denver.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.