Experience the raw spirit of the Old West at the Leadville Boom Days International Pack Burro Race, a historic event celebrating Colorado's mining heritage for over 70 years. This iconic race challenges runners and their burros to navigate rugged high-altitude terrain, serving as the second jewel in the sport’s Triple Crown. The long course is a grueling 21-mile out-and-back journey that climbs from downtown Leadville toward the formidable Mosquito Pass, reaching elevations over 13,000 feet. Participants must carry traditional mining tools, testing their partnership and grit against the same t...
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505 Harrison Ave
Leadville, CO 80461
