Leadville Trail 100 race
Leadville Trail 100 race

Leadville Trail 100 Run · Trail

Leadville Trail 100

Leadville, CO · August 2027, exact date not announced yet

2027 edition

Registration opens soon

August 2027, exact date not announced yet · Entry Not announced yet (2026 was USD 495)

Lottery

Lottery entry

Overview

Distance
100 Mile
Course shape
Out-and-back
Elevation gain
13.4k ft
Gain / mile
134 ft
High point
12,600 ft
Cutoff
30 hours

What this race is really like

RaceBound insight

Leadville Trail 100 is a 100 Mile out-and-back trail race in Leadville, CO. Total climbing is about 13,357 ft. The high point sits near 12,600 ft, so altitude is a real factor.

Built from official course data

Where it gets hard

The raw climbing number understates Leadville because much of the race occurs near or above 10,000 feet. Hope Pass is the headline obstacle, but altitude affects virtually every section.

Editorial summary · not an official race claim and not runner consensus

Terrain

Terrain
mountain, high altitude, trail, dirt road, rocky, exposed

Climbing

Total gain
13.4k ft

Altitude

Relevance: high

High point
12,600 ft

Altitude is a defining difficulty characteristic rather than a secondary consideration.

Editorial summary · not an official race claim and not runner consensus

Entry and registration

Registration status
Registration opens soon
Entry type
Lottery
Entry price
Not announced yet (2026 was USD 495)
Lottery window
Dec 1, 2026 to Dec 15, 2026

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