Leadville Trail Marathon and Heavy Half

The Leadville Trail Marathon and Heavy Half is a challenging running event that takes place in the historic mining district of Leadville, Colorado. The marathon spans 26.4 miles, while the Heavy Half covers 15.4 miles, both featuring rugged terrain and high-altitude trails, reaching elevations of over 13,000 feet at Mosquito Pass. Known for its breathtaking views and demanding conditions, this event is considered one of the toughest marathons in the nation.

Participants can expect well-marked courses, multiple aid stations, and a vibrant community atmosphere, making it a unique experience for trail runners. Visit the organization's website for the most recent information.