Leadville Trail 100 Mile Run

Event overview

The Life Time Leadville Trail 100 Run presented by La Sportiva is scheduled for August 22, 2026 in Leadville, Colorado. The event is an ultramarathon held on public lands under special permits from the U.S. Bureau of Land Management and the San Isabel National Forest. Minimum participation age is 18 on race day. Entry pricing for the Leadville Trail 100 Run is listed as $495. The 2026 lottery window runs December 1–15, 2025 with results announced January 8, 2026. Life Time member registration is noted as open.

Course and logistics

The race is a roughly 100-mile out-and-back through the Colorado Rockies, listed as 99.7 miles with about 15,492 feet of elevation gain. The course low point is near 9,200 feet and it reaches a high point of about 12,500 feet at Hope Pass. Notable sections include climbs such as Powerline and Sugarloaf and technical trail on the Colorado Trail. Pacers are allowed beginning at the 62-mile point.

There are 11 aid stations offering water, Neversecond energy gels and high-carbohydrate drink, Skratch Labs hydration and snacks, plus assorted foods. Crewing is restricted to four official locations: Outward Bound, Pipeline, Twin Lakes Village, and Mayqueen; Twin Lakes is accessible only by shuttle. Drop bags must be clear plastic, clearly labeled, and are handled through the Leadville Race Series retail store. To reduce local congestion, athletes are required to park at designated lots and use shuttles to reach the start area. Visit the organization's website for the most recent information.