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River of No Return Endurance Runs
108K55K32K

River of No Return Endurance Runs

Challis, Idaho
Days to go
256
Registerronrenduranceruns.com

At a glance

Date
Jun 19, 2027
Location
Challis, Idaho
Distances
108K, 55K, 32K
Registration
See ultrasignup.com
Official site
ronrenduranceruns.com
Listed from
UltraSignup
Last checked
Oct 4, 2026

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About this race

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 beauty with distances of 32k, 55k, or 108k, featuring varying terrain and gorgeous scenery.

Key dates

Race day

Jun 19, 2027

256d

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Tune-up races

Straight-line distance

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