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River of No Return Endurance Runs

June 19, 2021

With a start and finish in Challis, Idaho, the River of No Return (RONR) Endurance Runs offer runners a unique opportunity to experience Idaho’s remote beauty. Choose between distances of 32k, 55k, or 108k, where you’ll be challenged by varying terrain and awed by gorgeous scenery. 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 – among other sites – Blue Mountain, the Lombard Trail, Bayhorse Lake, and Buster Lake.


June 19, 2021
Event Category:


Challis, Idaho
Challis, ID United States + Google Map


Event Distance
50K, 100K