Leadville Trail 100 Run

Date: August 22, 2026

Location: Leadville, Colorado, United States

Distances: 100M

Description: Known as the Race Across the Sky, the Leadville Trail 100 Run challenges participants with 15,500 feet of climbing through the Colorado Rockies, starting and finishing at 10,000 feet elevation. Iconic segments like Hope Pass test endurance at extreme altitudes. As a premier ITRA ultramarathon, it draws international competitors to its historic course.

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