The Copper Kings 100 is a challenging endurance run that covers 102 miles, primarily along the scenic Continental Divide Trail. Starting and finishing in the historic mining town, this course allows runners to experience stunning landscapes, reminiscent of Butte's rich mining history. This fat ass event, designed for seasoned ultra runners, requires participants to navigate without course markings and to rely on their own support crews at specified points along the route. With no entry fee or aid stations, it's an opportunity for those well-versed in ultra racing to test their limits in a rugged, self-supported environment.