Crested Butte is known for having some of the best trails in the country and runners get to experience it all at Crested Butte Ultra! Traversing through the Gunnison National Forest, runners will be amazed at the wide open views!  Single track trails take runners through beautiful mountain meadows and up to stunning mountain ridges. At the lower elevations, stunning wildflowers set against mountain backdrops will greet runners as they work their way up the course.  Fall foliage rivaling New England will distract them from the heart pumping climbs.  Come enjoy a weekend getaway in this quintessential mountain town!

See the 2023 Race Guide. 

• Crested Butte Ultra 50 Mile Course Map

• Crested Butte Ultra 50 Mile Interactive Map

• Crested Butte Ultra 50 Mile GPX File *download file to view​ 

  • Lowest Point 8822'

  • Highest Point 11291'

  • Elevation Gain 8301'

  • Elevation Loss 8301'

• Crested Butte Ultra 55K Course Map​

• Crested Butte Ultra 55K Interactive Map
• Crested Butte Ultra 55K GPX File *download file to view
  • Lowest Point 8822'​

  • Highest Point 11290'

  • Elevation Gain 4567'

  • Elevation Loss 4567'

• Crested Butte Ultra 35K Course Map

• Crested Butte Ultra 35K Interactive Map
• Crested Butte Ultra 35K GPX File *download file to view​
  • Lowest Point  8822'

  • Highest Point  9988'

  • Elevation Gain 2280'

  • Elevation Loss 2280'

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Aid Station Mileage, Cutoff Times, and Course Limit Information

That's right! We have gone cupless!

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What does that mean?

• Bring your own re-useable cup (Mad Moose Hydrapak cups are available for purchase during packet pick-up)

• Water dispensers will be located at the start/finish line and at every aid station.

• Runners can use these to fill bladders, bottles​, and reusable cups

• Gloved volunteers will pour sodas/misc drinks into runners' reusable cups.

Date: Friday, September 29, 2023

Time: 4:00 p.m. – 6:00 p.m.  

Location: Crested Butte Community School

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Race Day Packet Pickup

Saturday, September 30, 2023

Crested Butte Community School

5:30 a.m.-7:45 a.m.

Information Regarding Packet Pickup Process:

• You will need to have a photo ID in order to receive your packet.

• Runners may pick up the goody bag and shirt of a registered runner who will not be in attendance.

• Runners may not pick up someone else's bib.  

• Entries are non-transferable

• See race guide for all information about packet pickup.

The start and finish line are located at:

Crested Butte Community School

818 Red Lady Avenue

Crested Butte, CO

See parking map

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GPS Coordinates (Click for Google Maps)

38°51'52.2"N 106°58'31.8"W

Race Day Packet Pickup

Saturday, September 30, 2023

Crested Butte Community School

5:30 a.m.-7:45 a.m.

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6:00 a.m. - 50 Mile Start  

7:00 a.m. - 55k Start 

8:00 a.m. - 35K Start

10 minutes before each race start - pre-race announcement

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RUNNERS MUST ATTACH CHIP TO SHOE. NO CHIP ON SHOE = NO TIME

The finish line is in the same location as the starting line. We will be serving runner approved goodies. 

Check out the Visit Crested Butte site for more details.

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

The FAQ Page contains information about:

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-Pricing

-Race Rules

-Distance Changes

-Cancelation, transfer, and no refund policy

-Other Runner Requirements​

Crested Butte Ultra results are posted on Ultrasignup.

Join the Mad Moose Herd and make a difference in the running community by volunteering at one of our upcoming events. As a volunteer, you'll have the chance to support your favorite race company and help fellow runners achieve their goals. And as a thank you for your time and effort, we offer credits toward free race entries of your choice. (Friends and Family - You can earn race credits for your runner to use toward their next Mad Moose Event!)

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But volunteering isn't just about the rewards - it's also a chance to give back to this amazing community and be a part of something truly special. Whether you're a seasoned runner or just love being a part of the action, we have volunteer opportunities for everyone.

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Click here for more information on how you can get involved and make a difference. Together, we can create unforgettable experiences for runners and show our appreciation for this incredible community.