Copper Kings 100
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Copper Kings 100 - Butte, Montana (June 26-27, 2026)
The Copper Kings 100 is a single-loop 100 mile trail event held in and around Butte, Montana on June 26-27, 2026. The course starts and finishes at the Belmont Mine and includes about 63 miles on the Continental Divide Trail. The route passes through the Beaverhead-Deerlodge National Forest and spans Butte-Silver Bow and Jefferson counties; it is fully permitted through the United States Forest Service and local authorities.
Course details include a start elevation of 5,650 feet, a highest point near 8,400 feet, and a total of 13,960 feet of vertical gain and loss. Much of the route sits above 6,500 feet. Elevation gain is concentrated between the first and last aid stations, and some aid stations are more than 17 miles apart. The event uses a 40 hour overall cutoff and does not require a qualifying race for entry.
Entries for 2026 are sold out and the runner cap for the year is 150. The event offers a fully inclusive set of divisions, including a nonbinary division. Proceeds benefit several local and trail organizations including Our Lady of the Rockies, Mile High Nordic Ski Education Foundation, Continental Divide Trail Coalition, and Butte’s Piss and Moan Runners. Treeline Endurance serves as the official coaching partner and provides a free 20 week race specific training plan for registered and waitlist runners, plus group training runs and discounted coaching options.
The event organizer maintains a tiered refund policy and states that if organizers cancel the race for any reason no refunds will be issued. Safety considerations may lead organizers to alter, shorten, reroute, postpone, or cancel the event. Visit the organization's website for the most recent information.
