Bighorn Trail 100 Course Profile

Dayton, WY

• Distance: 100 miles
• Elevation Gain: 18,600 ft
• Elevation Loss: 19,400 ft
• High Point: 9,400 ft
• Low Point: 4,700 ft
• Time Limit: 34 hours
• Month: June
• Finisher Rate: ~60%

Through the Bighorn Mountains of Wyoming. Wild, remote, and stunningly beautiful. Possible snow at elevation, river crossings, and long exposed ridges above treeline.

Aid Stations

Name	Mile	Elevation	Crew Access	Drop Bag	Cutoff
Dry Fork	7.5	5,200 ft	Yes	Yes	—
Footbridge	19.5	7,800 ft	Yes	Yes	—
Porcupine	31.5	8,800 ft	Yes	Yes	—
Cow Camp	44	8,200 ft	Yes	Yes	—
Jaws	53.5	9,400 ft	Yes	Yes	—
Lower Sheep Creek	69	7,400 ft	Yes	Yes	—
Upper Sheep Creek	74	8,000 ft	No	No	—
Little Bighorn	86	6,200 ft	Yes	Yes	—

Course Segments

Segment	Miles	Terrain	Difficulty	Notes
Dayton to Footbridge	0–19.5	climb	hard	Big initial climb into the mountains.
Footbridge to Jaws	19.5–53.5	mixed	hard	High alpine meadows and ridgelines.
Jaws to Finish	53.5–100	descent	hard	Long descent with technical sections.

View the full interactive elevation profile, 3D course flyover, and race strategy tools on HARDN.