Saturday, October 3, 2020

105k and 55k

Crested Butte Mountain Resort

Crested Butte, CO

Race Starts: 105k, 53 Mile- 4 a.m., 55k- 7 a.m.

About Crested Butte Ultra

Crested Butte is known for having some of the best trails in the country.  Its wide open views will amaze runners, as they traverse through Gunnison National Forest.  There will be wildflowers and the beginning of fall will bring the changing aspen leaves. The event will start and finish at the Crested Butte Mountain Resort. 

Course Information

Elevation Gain: 105K- 15000 ft, 53 Miler- 11000ft,  55k- 7000 ft

Course Maps

Aid Station and Cut Off Information

Travel Information
Race Guide

Check out the 2019 Race Guide!

Packet Pickup

Race Information:

Packet Pick-up:

Friday, October 2, 2020

105k and 53 Mile runners must check in on Friday

4 p.m. – 6 p.m.  

Location: Butte 66 Roadhouse

Upstairs Treasury Building

Mt. Crested Butte, CO 81225

*The Treasury Building is located near the Silver Queen Express Lift at the Crested Butte Mountain Resort.

Check-in and Packet Pickup at the starting line:

Saturday, October 3, 2020

55k only

6 a.m.-6:45 a.m.


*You will need to have a photo ID in order to receive your packet and timing chip.  This includes race morning packet pick-up.  We encourage you to pick up your packet prior to race day morning to eliminate issues on the morning of the race.  

Directions to the Start 

Directions to Start and Finish:

The race start and finish are located at Crested Butte Mountain Resort.  From Elk St. in Crested Butte, head north on 6th St. for .3 miles then continue onto Gothic Rd for 2.2 miles before entering the resort.  Parking is available once you reach the resort.  There will be a short walk to the start/finish line.

Race Morning Schedule

Race Morning Schedule:

3:55 a.m. - 105k, 53 Mile Pre-race announcement

4:00 a.m. - 105k, 53 Mile Start

6:55 a.m. - 55k Pre-race announcement

7:00 a.m. - 55k Start 

Finish Line

We will be serving a delicious Mexican Soup, with meat and vegetarian option. We'll also have snacks and drinks. 

Runner Perks

All runners will receive a custom race shirt, a custom BOCO hat, and a finisher's buckle. 


For information about prices, cancellations and race rules, see our FAQ Page


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