Copper Kings 100
Butte, United States • 27-28 Jun 2025
The Copper Kings 100 is a challenging 100-mile ultramarathon held in Butte, Montana, starting and finishing at the historic Belmont Mine. The single-loop course features 63 miles along the scenic Continental Divide Trail, with elevations ranging from 5,650 to 8,400 feet and a total vertical gain and loss of 14,400 feet. Known for its rugged mountain terrain and rich mining history, the race offers marked trails and full aid stations. The event emphasizes endurance and connection to the area's heritage, making it a unique experience for ultrarunners seeking a demanding mountain course. Visit the organization's website for the most recent information.