Leadville Trail Marathon and Heavy Half

Leadville, United States • 28 Jun 2025

The Leadville Trail Marathon and Heavy Half is a challenging running event set 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 rugged trails and high-altitude terrain, with the marathon reaching an elevation of 13,185 feet at Mosquito Pass, the highest continuous pass in the U.S. The event emphasizes endurance, grit, and determination, attracting runners from various backgrounds. Aid stations are provided along the course, and the marathon serves as a qualifier for the prestigious Leadville Trail 100 Run. Visit the organization's website for the most recent information.

Race information

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