River of No Return

Cascade, Idaho, United States

61.3 miles (98.6 km) · 20,560 ft elevation gain · Loop · Route

River of No Return covers 61.3 miles across Cascade, Idaho, United States. Runners face 20,560 feet of climbing with 20,564 feet of loss. The largest climb extends 11.3 miles, gaining 3,295 feet. The course averages 337 feet of vertical gain per mile. The course is 35% runnable, with the remainder requiring hiking on steep or technical sections. Terrain difficulty is rated as mountainous. Difficulty is rated 21.8 out of 10, placing it in the 88.4th percentile. The route draws runners targeting challenging courses.