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Copper Kings 100

Butte, United States • 27-28 Jun 2025

The Copper Kings 100 is a 100-mile ultramarathon held in Butte, Montana, starting and ending at the Belmont Mine. The race features a challenging course that includes 63 miles of the Continental Divide Trail, with significant elevation changes, reaching up to 8,400 feet and totaling 14,400 feet of vertical gain and loss. The event begins early on June 27, 2025, and offers a 40-hour cutoff for completion. It celebrates Butte’s historic copper mining heritage and provides a demanding yet scenic ultrarunning experience. Registration is open until June 1, and the race includes full aid stations and course markings for participants. Visit the organization's website for the most recent information.

United States Montana Butte

Race information

Website Registration
100 mi
14400 m+
100 Miler
Visit the organization's website for the most recent information.
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