River Of No Return Endurance Runs

River of No Return Endurance Runs

The River of No Return Endurance Runs is a trail running event scheduled for June 20, 2026, with start and finish in Challis, Idaho. The event offers three endurance distances and runs through varied terrain in a remote Idaho landscape. Registration closes June 1.

Distances

• 32k
• 55k
• 108k

Courses run between the Salmon River to the south and the Frank Church Wilderness to the north. Notable features along the routes include Blue Mountain, the Lombard Trail, Bayhorse Lake, and Buster Lake. The event description notes changing terrain and scenic views typical of the region.

Race information covers practical details such as aid stations, options to switch distances, refund policies, rules for crews and drop bags, and cutoff times. Results from previous years are archived for reference. Local lodging options and arrangements for float trips are listed as part of the event logistics. Visit the organization's website for the most recent information.