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Discover The Best Idaho Ultramarathons

Explore our comprehensive list of ultramarathons in Idaho to find the perfect race for you.

upcoming ultramarathons

Spitfire Ultra
April 18, 2026
/
Idaho Falls
Weiser River 50K Ultra and Relay
April 25, 2026
/
Scout Mountain Ultras
June 5, 2026
/
Pocatello
River of No Return Endurance Runs 32k, 55k & 108k
June 20, 2026
/
Beaverhead 100k and 55k
July 11, 2026
/
Salmon
Standhope Ultra Challenge 100M, 60K & 30K
July 24, 2026
/
Sun Valley
Priest Lake Marathon and 50K
September 19, 2026
/
Sandpoint
Sasquatch Shuffle 50K, 30K, 20K
October 10, 2026
/
McCall
See all Ultras →

featured events

Yakima River Canyon Marathon and Half-Marathon
Mar 28, 2026
/
Yakima
Corvallis Half Marathon & 5K
Apr 11, 2026
/
Corvallis
Training Plans

Looking for training programs for Half Marathon to Ultramarathon? Check out our plans on RaceCenter and Outfurther Coaching.

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