The Hardrock Hundred Endurance Run is a famously difficult and beautiful 100-mile trail race held annually in the San Juan Mountains. First organized in 1992, soon after the Sunnyside Mine shut down, the event honors the region’s mining history and its…

First held in 1983, the Leadville Trail 100 Run is one of the oldest and largest 100-mile trail-running races in the United States. Known for its tough, high-elevation course in the shadow of central Colorado’s Sawatch Range, the race has resulted in…

Matthew Carpenter (1964–) is a mountain runner best known for his performances at high-altitude races such as the Pikes Peak Ascent and Marathon, where he set the course record in 1993, and the Leadville Trail 100 Run, where he set the record in 2005. In…