17.4–80.5km10.8–50mi
3 courses
Wilson Creek Frozen 50k
Melba, Idaho · 
United States
457–1’829 m D+1’499–6’001 ft D+
Trail
Upcoming races
January 2027 · 1 race
Sat 23.01.1 race
April 2027 · 2 races
Sat 17.04.1 race
5–55km3.1–34.2mi
4 courses
Spitfire Ultra Trail Challenge
Menan, Idaho · United States
Trail
Sat 24.04.1 race
50km31.1mi
1 course
Weiser River Trail
Boise, Idaho · United States
Dates to be confirmedTrail
May 2027 · 3 races
Sat 01.05.1 race
53km32.9mi
1 course
Heaven's Gate
Riggins, Idaho · United States
Dates to be confirmedTrail
Sat 08.05.2 races
72.4km45mi
1 course
Boise Greenbelt Relays
Boise, Idaho · United States
Dates to be confirmedUltra
5–42.2km3.1–26.2mi
4 courses
Over the Top Trail Race
Pocatello, Idaho · United States
Trail
June 2027 · 2 races
Fri 04.06.1 race
80.5–160.9km50–100mi
2 courses
Scout Mountain 100 Mile Ultra Trail
Pocatello, Idaho · United States
10’900–23’900 m D+35’761–78’412 ft D+
Dates to be confirmedUltra
Sat 19.06.1 race
32–108km19.9–67.1mi
3 courses
RIVER OF NO RETURN ENDURANCE RUNS
Challis, Idaho · United States
1’440–5’200 m D+4’724–17’060 ft D+
Ultra
July 2027 · 1 race
Fri 23.07.1 race
160.9km100mi
1 course
Standhope Ultra Challenge 100 Miles
Ketchum, Idaho · United States
Dates to be confirmedUltra
August 2027 · 3 races
Sun 01.08.1 race
50–80.5km31.1–50mi
2 courses
Owyhee County 50/50 Night Run
Homedale, Idaho · United States
Dates to be confirmedUltra
Fri 13.08.1 race
1 course
Inkom Last Man Standing 1.1
Inkom, Idaho · United States
Trail
Sat 21.08.1 race
1–50km0.6–31.1mi
4 courses
Harriman Trail Runs
Island Park, Idaho · United States
Dates to be confirmedTrail
September 2027 · 8 races
Sun 05.09.1 race
5km3.1mi
1 course
Payette Lake Run
McCall, Idaho · United States
Dates to be confirmedTrail
Sat 18.09.3 races
160.9km100mi
1 course
Idaho Mountain Trail Ultra Festival (IMTUF 100)
Burgdorf, Idaho · United States
Dates to be confirmedUltra
32.2–160.9km20–100mi
2 courses
IMTUF 100 Mile & Jughandle 20 Mile
McCall, Idaho · United States
Dates to be confirmedUltra
50km31.1mi
1 course
Race the Rocks 50K Mountain Challenge
Almo, Idaho · United States
Dates to be confirmedTrail
Sat 25.09.4 races
24.1km15mi
1 course
Top of Tamarack
Tamarack Resort, Idaho · United States
884 m D+2’900 ft D+
Trail
80.5km50mi
1 course
Bogus 50 Mile Race
Boise, Idaho · United States
2’500 m D+8’202 ft D+
Dates to be confirmedUltra
27–80.5km16.8–50mi
3 courses
Bogus 50/50
Boise, Idaho · United States
701–2’316 m D+2’300–7’598 ft D+
Dates to be confirmedUltraGPX
3.1km1.9mi
1 course
Mt. Baldy Hill Climb
Ketchum, Idaho · United States
957 m D+3’140 ft D+
Dates to be confirmedVertical
October 2027 · 4 races
Sat 02.10.1 race
21.1–55km13.1–34.2mi
7 courses
Legends Never Die
Ketchum, Idaho · United States
747–1’967 m D+2’451–6’453 ft D+
Dates to be confirmedTrail
Sun 03.10.1 race
8.1–50km5–31.1mi
4 courses
Moscow Mountain Madness
Moscow, Idaho · United States
Dates to be confirmedTrail
Sat 09.10.1 race
20–50km12.4–31.1mi
3 courses
Sasquatch Shuffle
McCall, Idaho · United States
Dates to be confirmedTrail
Sat 30.10.1 race
21.1–50km13.1–31.1mi
3 courses
Fall Creek Beast
Swan Valley, Idaho · United States
823–1’829 m D+2’700–6’001 ft D+
Dates to be confirmedTrailGPX
Other regions · United States
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