River of No Return Endurance Runs

THE 55K & 108K START AND FINISH AT THE CHALLIS CITY PARK, right next to the High School. THE 32K STARTS AT THE GHOST TOWN OF BAYHORSE AND FINISHES AT THE CITY PARK (shuttles to the start) Once taking off from the Park 55K & 108K runners cross Main Street - Challis, and onto an ATV trail, all runners will quickly be guided into remote country by mile 2.5 and all races will traverse the initial 9 miles along the same route. Spectators and fans will see runners barrel the final mile down Main Street - Challis before re-entering the City Park for a warm welcome home. Runners are allowed to have crew and fans complete the final run down Main Street to the Finish with them. 108K has about 17,600' elevation gain and 9 aid stations. It is a large, single-loop course that has five significant climbs, cresting 8000', 9000', and 10,000'. The majority of the course is on two-track (meaning ATV width trail), with a few miles of dirt road, about 8 miles of single track trail, and 5 miles of pavement at the finish coming into Challis. Start is 5:00 am, and you have 22 hours to complete the course, with some intermediate cutoffs along the way. 55K has about 8800' elevation gain and 5 aid stations. Courses provide runners with three major climbs that take runners over 8000' and is mostly narrow ATV trail, some dirt road, single track elk trails and some pavement that will bring runners to the finish in Challis. It is a large lollipop-type loop, with a 3.5 mile down from Keystone Aid Station to the old Ghost Town of Bayhorse, and a partial return with an added climb in a loop back to Keystone. Runners now return via the Lombard Trail to Birch Creek Saddle and finish via the 32K course elk trails and a mile run down Main Street. Start is 6:30 am, and runners have 12:30 hours to complete the course. 32K has about 4500' elevation gain and 2 aid stations. The race starts at Bayhorse and is a point to point return to the Challis City Park following the 55K route.. The Start is 9:00 am. Shuttles to the start from the City Park