Leadville Trail 100 Mile Run
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Event Overview
The Leadville Trail 100 Run is an ultramarathon event. The course covers nearly 100 miles in an out-and-back format through the Colorado Rockies. The route starts and finishes in Leadville. The course includes forest trails and some mountain roads.
The minimum participation age is 18 years old on race day.
Course Details
The course has a total elevation gain of 15,492 feet. Its lowest point is 9,206 feet and its highest point is 12,526 feet at Hope Pass. Pacers are allowed for participants after the 62-mile point.
There are 11 aid stations along the course. These stations provide water, energy gels and drinks from Neversecond, hydration and energy products from Skratch Labs, and assorted foods like bananas, figs, pretzels, chips, and cola products.
Logistics & Schedule
Event entry is managed via a lottery. The lottery opens December 1 and closes December 15, with results announced on January 8. The entry fee is $495. There is a mandatory athlete meeting on the Friday before the race at the Lake County High School football field.
Packet pickup and a public expo are held at 135 E 6th Street on the Friday before race day. Athletes must present photo ID and pick up their packets in person.
Participants must park at designated locations (Rodeo Grounds, Community Fields, or local schools) and take a shuttle to the start line on race morning.
Drop bags can be sent to five aid station locations: Mayqueen, Outward Bound, Half Pipe, Twin Lakes, and Winfield. Bags must be clear plastic and clearly labeled. Drop-off is at the Leadville Race Series retail store on Friday before the race.
Crews can access runners at four official locations: Outward Bound, Pipeline, Twin Lakes Village, and Mayqueen (inbound only). Crewing outside these locations is not permitted. Access to Twin Lakes Village is via shuttle only from Outward Bound.
Awards & Finisher Recognition
To be considered an official finisher, participants must complete the course within 30 hours. Those finishing within 25 hours earn a larger finisher's belt buckle. Belt buckles are distributed in the finish chute. Finisher hoodies are custom printed and mailed after the event.
An awards ceremony is held on Sunday at the Lake County High School football field. Age group awards are given, and awards for the overall male and female winners are also presented.
Weather & Conditions
In August, Leadville daytime temperatures can reach the upper 70s Fahrenheit, while nighttime lows can drop into the upper 20s. Weather can be volatile, with potential for rain, hail, snow, and lightning, especially at high altitudes above the timberline. Visit the organization's website for the most recent information.
