Idaho Ultramarathon Races

Upcoming Ultramarathons in Idaho. Compare dates, courses, and registration.

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Race List

October 10, 2026

Sasquatch Shuffle 50K, 30K, 20K

April 17, 2027

Spitfire Ultra

June 19, 2027

River of No Return Endurance Runs 32k, 55k & 108k

June 25, 2027

The Fat Moose Backyard Ultra

Coeur d’Alene

July 24, 2027

Standhope Ultra Challenge 100M, 60K & 30K