Leadville Trail 100 Course Profile

Leadville, CO

The 'Race Across the Sky' — an out-and-back course at extreme altitude in the Colorado Rockies. Never drops below 9,200 ft. Hope Pass at 12,620 ft is tackled twice. Altitude is the defining challenge.

Aid Stations

NameMileElevationCrew AccessDrop BagCutoff
May Queen 13.5 9,500 ft Yes Yes
Outward Bound 23.5 9,300 ft No No
Half Moon 30 10,200 ft No Yes
Twin Lakes 39.5 9,200 ft Yes Yes
Winfield (turnaround) 50 10,200 ft Yes Yes 12:00 PM Sun
Twin Lakes (return) 60.5 9,200 ft Yes Yes
Half Moon (return) 70 10,200 ft No No
Outward Bound (return) 76.5 9,300 ft No No
May Queen (return) 86.5 9,500 ft Yes No

Course Segments

SegmentMilesTerrainDifficultyNotes
Start to May Queen 0–13.5 rolling moderate Flat boulevard start. Settle into altitude pace.
May Queen to Twin Lakes 13.5–39.5 rolling moderate Sugarloaf climb, then long descent.
Hope Pass Out 39.5–50 climb extreme 12,620 ft summit. Power hike. Watch for lightning.
Hope Pass Return 50–60.5 mixed extreme Second crossing is harder mentally.
Twin Lakes to Finish 60.5–100 rolling hard Reverse the course. Find your reason to keep going.

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