The Leadville Trail 100, A Celebration Of Endurance And Community
Natalie Nicholson. Leadville Marathon. 2025. Life Time Leadville Race Series At 10,152 feet above sea level, Leadville, Colorado is the highest incorporated city in North America, and every August, it becomes the beating heart of endurance racing. The Life Time Leadville Trail 100 Run, known simply as the “Race Across the Sky,” is one of…