Leadville Trail Marathon and Heavy Half

JUN
26
2027
Trail marathon and 15.4 mile Heavy Half in Leadville on June 26, 2027, climbing to Mosquito Pass at 13,185 feet with on course aid stations and shuttle logistics.
Sat 26 Jun 2027
26 miles 15 miles

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About the race

The Life Time Leadville Trail Marathon and Heavy Half on June 26, 2027 is a trail running event in the historic mining district near Leadville, Colorado. The courses use out-and-back dirt roads and single track and top out at Mosquito Pass at 13,185 feet.

Distances:

  • 26.4 miles Trail Marathon
  • 15.4 miles Heavy Half

The Marathon follows the full out-and-back route; the Heavy Half follows the same path except for the Ball Mountain section. Courses may include snow and are marked with fluorescent pink-and-black ribbon and flour arrows. The Marathon has seven aid stations and the Heavy Half has three; aid stations provide water, energy gels and drinks, bars, chews, Pickle Juice Company products, and assorted foods. Course cutoffs apply, including a full course cutoff at 4:00pm.

Registration opens in January 2027. Minimum ages are 16 for the Marathon and 14 for the Heavy Half. Expo packet pickup requires photo identification; packets must be picked up in person and will not be mailed. There is no on-site registration or distance changes at the expo. Parking is required at community lots with shuttle service to the start; only the start/finish area and the Resurrection aid station are designated locations for crew and spectators, with specific access routes and shuttle options.

The Marathon is a qualifier for the Leadville Trail 100 Run; qualifier coins and award categories are distributed at the awards ceremony. The event includes volunteer opportunities and follows Leave No Trace and other local sustainability guidelines. Visit the organization's website for the most recent information.

26 mi
Leadville Trail Marathon
15 mi
Heavy Half

Events nearby

Trail races in Leadville with a 6.66K bike, a 6.66K run, a nonscary 1.5K kids run, and a costume contest supporting CMC teams.
A three-day Leadville camp in June 2027 that guides runners over key sections of the Leadville Trail 100 Run with day and night group runs and course briefings.
A three-day high-elevation dirt festival in Alma Colorado featuring mountain bike races, off-road duathlon, trail runs, family kids races and on-site camping.
High altitude 50 mile trail run in Leadville on July 10, 2027 with about 8,000 feet of elevation gain; registration opens January 7, 2027.
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