Bighorn Mountain Trail 100
The Bighorn Mountain Trail 100 is an epic mountain endurance adventure crossing through Little Bighorn and Tongue River areas of the Bighorn National Forest. Participants have 34 hours to navigate this remote, technical out-and-back course (average 2.94 mph). Mother Nature provides over 20,500 feet of ascent and 20,750 feet of descent testing the most seasoned ultra-runners with 76 miles of technical single-track trail, 16 miles of rugged 2-track jeep trail road, and 8 miles of gravel road. The Bighorn 100 is one of the classics, demanding you to reach deep down to your core of mental and physical fortitude.
Course Map
Bighorn Mountain Trail 100
Elevation Profile
Aid Stations
Name
Distance
Tongue River Trail Head
1.25mi
Lower Sheep Creek
3.5mi
Upper Sheep Creek
8.5mi
Dry Fork Ridge
13.4mi
Cow Camp
19.5mi
Bear Camp
26.5mi
Sally's Footbridge
30mi
Spring Marsh
40mi
Elk Camp
43.5mi
Jaws Trail Head
48mi
Elk Camp 2
52.5mi
Spring Marsh 2
56mi
Cathedral Rock
62.5mi
Sally's Footbridge 2
66mi
Bear Camp 2
69.5mi
Cow Camp 2
76.5mi
Dry Fork Ridge 2
82.5mi
Upper Sheep Creek 2
87.5mi
Lower Sheep Creek 2
92.5mi
Tongue River Trail Head 2
94.8mi
Home Stretch
98mi
Race Details
Distance:
161 km / 100 mi
Elevation:
6248.4 m / 20500 ft
Next Race
Date:
June 20, 2024
2025 Bighorn 100 Results
Men – Top 3
Women – Top 3