The Great Divide Ultra
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Event
The Great Divide Ultra is a trail running festival held June 6-7, 2026 in Divide, Colorado at Mueller State Park. Distances offered include:
- 100 mile
- 100K
- 50K
- 25K Night-run options are included as part of the festival.
Course and logistics
The course is a looped layout on smooth single- and double-track trail through rolling meadows and Pikes Peak granite features. The 100 mile route is composed of six 14.8 mile loops and one 10.5 mile loop. Elevation range on course is 9,189' to 9,743'. Reported elevation gain by distance: 100 mile ~16,071', 100K ~8,500', 50K ~4,200', 25K ~2,100'. Aid stations are spaced about 4.3-6.1 miles apart, are crew accessible, allow drop bags, and are stocked with Tailwind, Muir Energy gels, snacks, fruit, and soda; selected stations will offer hot food options.
Parking and shuttling procedures: parking for the 100 mile, 100K, and night-run is at the Livery parking area; other distances park at John Wesley Ranch and are shuttled to the start/finish line (the ranch is about 2.2 miles from the start). Crew access is allowed at the Livery and Hart-Lee Homestead aid stations. Pacing is permitted only for the 100 mile and 100K with specified location and lap restrictions. Pack pickup is available at Colorado GearLab in Woodland Park and at event packet pickup locations on race days. Visit the organization's website for the most recent information.