River of No Return Endurance Run 53K 2027
River of No Return Endurance Run 53K is a 55 KM trail ultra in Challis, ID on June 19, 2027. See its terrain, cutoffs and how it fits your running on Find My Ultra.
- Distance
- 34.2 mi (55 KM)
- Elevation Gain
- 9,300 ft
- Max Altitude
- Not published
- Cutoff
- 14 hrs