River of No Return Endurance Runs - Challis, Idaho - Running

The River of No Return Endurance Runs is a Running race in Challis, Idaho consisting of a 100K and 25K Trail Run and 50K Trail Run.

The RONR Endurance Runs are directed by Paul Lind of Challis and Neal Russell of Idaho Falls, Idaho.

100k boasts approx 16000' elevation gain; 50k has about 7800' and 25k has about 3500' elevation gain.

With a start and finish in Challis, Idaho, the River of No Return (RONR) Endurance Runs offer runners a once-in-a-lifetime opportunity to experience Idaho's remote beauty.

Cradled by the Salmon River to the south and the Frank Church Wilderness to the north, the RONR Endurance Runs provide participants the chance to see Blue Mountain, the Lombard Trail, Bayhorse Lake, and an old stage coach trail, among other sites.

Designed to be tough and beautiful, the courses tour some big mountain climbs over 8000-9000 feet. Elk, deer, eagles, bears and wolves add to the mystique of the River of No Return, as do the forgotten mines and mining communities, old Idaho traditions - all surrounded by the very supportive community of Challis.

Runners will be treated to a fast finish down Main Street Challis and onto the classic dirt track of the Challis High School. The course is crew-friendly with multiple aid stations that are support team-accessible without the use of four-wheel drive vehicles.