Logo

Leadville Trail Marathon and Heavy Half

Leadville, United States • 28 Jun 2025

The Leadville Trail Marathon and Heavy Half is a challenging running event held in the historic mining district of Leadville, Colorado. Participants can choose between a 26.4-mile marathon or a 15.4-mile Heavy Half, both featuring breathtaking views and high-altitude trails, with the marathon reaching an elevation of 13,185 feet at Mosquito Pass, the highest continuous pass in the U.S. The event emphasizes grit and determination, attracting runners from all over. Aid stations are provided along the course, and the race is designed to be a zero-waste event, promoting environmental responsibility. Visit the organization's website for the most recent information.

United States Colorado Leadville

Race information

Website
26 mi
6167 m+
Marathon
15 mi
3421 m+
Heavy Half
Visit the organization's website for the most recent information.
Trail runs nearby

Collegiate Peaks Trail Run

Buena Vista - 30 mi from Leadville

The Collegiate Peaks Trail Run, celebrating its 35th anniversary, is a renowned trail running event held in Buena Vista, Colorado. Participants can choose between two challenging distances: 25 miles and 50 miles. Established in 1991, the race features a scenic course that follows single-track and je..

Spirit Trail Run

Buena Vista - 30 mi from Leadville

The Spirit Trail Race is a running event held in Buena Vista during Memorial Day Weekend, featuring a marathon, half-marathon, and 9K race. Participants start at the South Main Town Square area, with race times beginning early in the morning. The event supports local organizations such as the Buena..

Leadville Turquoise Lake 20K

Leadville

The Leadville Turquoise Lake 20K is a scenic running event set around the picturesque Turquoise Lake in Leadville, Colorado. Participants will experience breathtaking mountain views as they navigate a course that combines 6.5 miles of hilly paved roads with 5.5 miles of single-track dirt trails. The..

Fish Hatchery 5K Trail Run

Leadville

The Fish Hatchery 5K Trail Run is an exciting running event set in the picturesque surroundings of the Leadville National Fish Hatchery in Colorado. Participants will enjoy a scenic cross-country course that meanders through subalpine forests and alongside the Evergreen Lakes and lower Rock Creek ar..

Vail Ultra Benefiting 50 For The Fallen

Vail - 27 mi from Leadville

The Vail Ultra Benefiting 50 For The Fallen is a challenging 50-mile running event set to take place at Golden Peak in Vail, Colorado. This event aims to honor and support the 50 For The Fallen organization, which focuses on providing assistance to families of fallen service members. Participants ca..

Mountain Games - Après 5k

Vail - 27 mi from Leadville

The adidas Terrex Après 5K Trail Run is an exciting event that kicks off the GoPro Mountain Games weekend in Vail, Colorado. Participants can enjoy a scenic evening run on the trails of Vail Mountain, starting and finishing at Nature Valley Mountain Plaza. The 5K course is designed to be accessible..