The Great Divide Ultra

JUN
6-7
2026
Experience smooth single track trails and sweeping views of Pikes Peak at the Great Divide Ultra. Choose from distances ranging up to 100 miles on a scenic looped course through the meadows of Mueller State Park.
6-7 Jun 2026
100 miles 100 kilometers 50 kilometers 25 kilometers

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Event Overview

The Great Divide Ultra is a trail running event held in Divide, CO, within the grounds of Mueller State Park. The course features rolling meadows and views of Pikes Peak granite formations. The race is composed of a 14.8 mile looped course on smooth single-track and double-track trails.

The event offers several distance options to choose from:

  • 100 mile
  • 100k
  • 50k
  • 25k
  • Dark Divide Night Run (50k/25k)

Course Details

The 100 mile distance consists of six 14.8 mile loops and one 10.5 mile loop with a 36 hour cutoff. Elevation for the event ranges between 9,189 and 9,743 feet. The loops alternate between clockwise and counter-clockwise directions for certain distances.

Support and Amenities

Aid stations are located every 4.3 to 6.1 miles and are accessible to crew members. These stations provide water, electrolyte drinks, energy gels, snacks, fruit, and soda, with some locations offering warm food such as potatoes and quesadillas. Participants in the 100 mile and 100k events are eligible for belt buckles and may utilize pacers at specific points in the race.

Logistics

Registration includes a racer shirt, hat, personalized bib, and a post-race meal. Parking is available at the Livery/Equestrian area or at John Wesley Ranch, with shuttle services provided for participants parking at the ranch. Mueller State Park also offers nearby camping and cabin options for those staying overnight. Visit the organization's website for the most recent information.

100 mi
100 Mile
100 km
100k
50 km
50k
50 km
Dark Divide Night Run 50k
25 km
25k
25 km
Dark Divide Night Run 25k
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