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Ultra Races in Idaho
Browse 29+ upcoming ultra races in Idaho.
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Pulse Endurance Runs
Mar 21, 2026
Eagle, ID
12HR
6HR
52°
33°
11%
Spitfire Ultra Trail Challenge
Apr 18, 2026
Menan, ID
31.1M
15.5M
7.5M
5K
57°
33°
5%
Weiser River 50k Ultra & Relay
Apr 25, 2026
Council, ID
31.1M
31.1M
66°
36°
7%
Weiser River Trail 50K Ultra and Relay
Apr 25, 2026
Council, ID
31.1M
31.1M
66°
36°
7%
Heavens Gate Marathon and Half Marathon
May 1, 2026
Riggins, ID
32.9M
16.1M
57°
32°
9%
3/4 MINUS CYKELTUR
May 2, 2026
Sandpoint, ID
78M
56M
64°
34°
11%
Boise Greenbelt Relays
May 9, 2026
Boise, ID
45M
45M
71°
46°
6%
Boise Greenbelt Relays & 50 Mile Ultra
May 9, 2026
Boise, ID
50M
45M
71°
46°
6%
Scout Mountain Ultras
Jun 5, 2026
Pocatello, ID
100M
50M
31.1M
23M
77°
49°
6%
Sharlie Shuffle
Jun 6, 2026
McCall, ID
12HR
6HR
66°
40°
11%
River of No Return Endurance Runs
Jun 20, 2026
Challis, ID
67.1M
34.2M
19.9M
79°
47°
4%
CHAFE 150 Gran Fondo
Jun 20, 2026
Sandpoint, ID
150M
80M
75M
55M
40M
25M
4M
75°
45°
10%
To Bone and Back 40M Relay and Ultra Marathon
Jun 27, 2026
Idaho Falls, ID
40M
40M
83°
47°
2%
To Bone and Back Relay
Jun 27, 2026
Idaho Falls, ID
40M
5M
83°
47°
2%
Monarch Grind
Jun 27, 2026
Clark Fork, ID
59M
77°
45°
8%
Beaverhead Endurance Runs 100K and 55K
Jul 11, 2026
Salmon, ID
60.3M
33.1M
82°
44°
2%
Beaverhead Endurance Runs
Jul 11, 2026
Salmon, ID
62.1M
34.2M
82°
44°
2%
Standhope Ultra Challenge
Jul 24, 2026
Ketchum, ID
100M
38M
18M
89°
49°
1%
Aether's Traverse
Aug 15, 2026
Sandpoint, ID
34M
84°
46°
3%
Priest Lake Marathon and 50K
Sep 19, 2026
Priest Lake, ID
31.1M
26.2M
13.1M
10K
71°
39°
7%
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