Leadville Boomdays International Pack Burro Race
Leadville, United States • 9 Aug 2026
Leadville Boomdays International Pack Burro Race
The Leadville Boomdays International Pack Burro Race is a pack-burro running event held in Leadville, Colorado, in the Boom Days program. The town sits at over 10,000 feet elevation. Each team consists of one runner and one burro; teams carry traditional mining tools while racing across high-altitude terrain.
The long course is an historic out-and-back route from downtown Leadville that climbs toward Mosquito Pass, gaining nearly 3,000 feet to elevations above 13,000 feet before returning to town. The short course is planned as a roughly 6 to 8 mile route; official short-course details are to be announced.
Event registration opens 21 April 2026 and closes 8 August 2026. The organizer lists a registration fee of $80.00 for the long course and $65.00 for the short course. The event location is given as 505 Harrison Ave, Leadville, CO 80461, United States.
Distances:
- 21 miles - long course, historic out-and-back toward Mosquito Pass
- 6-8 miles - short course, official course to be announced
The race description notes a history of more than 70 years and frames the event as a traditional endurance competition linking local mining heritage with the pack-burro format. Visit the organization's website for the most recent information.