Races by State

Disclaimer: Race dates are subject to change. Some events may not yet be confirmed—please verify details on the official race website/registration link.

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Idaho

Race	Distance	City	Date	Registration
Weiser River Trail 50K	50K	Cambridge	4-18-2026	Register
River of No Return Endurance Runs	108K, 52K	Challis	5-31-2026	Register
Ronald Cottonwood Ultra	50K, 50M	Cottonwood	6-7-2026	Register
Sawtooth Relay	60M (team relay)	Stanley to Ketchum	6-13-2026	Register
Beaverhead Endurance Runs	100K, 55K	Salmon	7-11-2026	Register
Wild Idaho	100M, 50M, 50K	Boise	7-11-2026	Register
Standhope Ultra Challenge	100M, 60K	Mackay	8-1-2026	Register
IMTUF 100	100M	McCall	8-29-2026	Register
Scout Mountain Ultra Trail	100K, 50K	Pocatello	9-5-2026	Register
Harriman 50K	50K	Island Park	9-20-2026	Register
Foothills 50K Frenzy	50K	Boise	10-3-2026	Register
Frozen Dog Backyard Ultra	Backyard format	Boise	10-17-2026	Register

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