USA trail race

Leadville Trail 100

Sat, August 22, 2026 · Leadville, Colorado

The 'Race Across the Sky' at 3,000+ m elevation. An out-and-back 100-miler through the Colorado Rockies, crossing Hope Pass (3,840 m) twice.

11 weeks to go Good timing for course research, travel planning, terrain-matched long runs, and a structured build.

Race Overview

Leadville Trail 100 is a trail race held on Sat, August 22, 2026 in Leadville, Colorado, USA. TrailSplits currently includes one mapped course for this event, with course maps, elevation profiles, weather context, and pacing tools for the uploaded GPX data.

11 weeks to go

Race tools — 100M

Sat, August 22, 2026

11 weeks to go
Weather Pace calculator Print map Planner 3D flyover GPX

Free training plans (by distance)

Vert-focused blueprints with route-finder links into the Planner.

100M plan

3D Trail Preview

Course map — 100M

Interactive MapLibre preview with the official GPX track.

Min Max

Elevation profile — 100M

Based on the official GPX track.

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Historical Results (2025)

Leadville Trail 100 100M — 2025 edition. 400 finishers.

🏆 Winner
15h 42m
📊 Median
26h 00m
50th percentile
👥 Finishers
400
⚡ DNF Rate
40%
High DNF rate
⚠️ With a 40% DNF rate, this is a demanding race. Respect the cutoffs and have a realistic pacing plan.

Analyze this route in the Planner

Load the GPX directly into TrailSplits for surface analysis and terrain intel.

Analyze Route in Planner View in 3D
Official website: https://www.leadvilleraceseries.com