Leadville Boomdays International Pack Burro Race 2026

The Leadville Boomdays International Pack Burro Race challenges you and your burro to retrace prospectors' footsteps. Starting on Harrison Avenue, you'll climb toward Mosquito Pass, gaining nearly 3,000 feet to over 13,000 ft. This test of partnership, grit, and determination requires you to move as one, carrying traditional mining tools. After the climb, brace for a rugged descent to the finish. With over 70 years of history, this race offers a unique endurance experience.