The Great Divide Ultra
Divide, United States • 6-7 Jun 2026
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.