100mi
Leadville Trail 100
161km Distance
4,800m Elevation
10 Grit Score
Elite/Extreme Level
Vertical Intensity 30 D+/km
Moderate undulations. Requires consistent effort across varying grades.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With mountain terrain, choose a shoe with aggressive lugs (5mm+) for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Course Intelligence
OPENFREE MAP (LIBRE)About
The Race Across the Sky, an out-and-back through the Colorado Rockies at extreme altitude.
Highlights
- Minimum 3000m elevation
- Hope Pass (3840m) twice
- Race Across the Sky