mtbLeadville, Colorado, United States

How to train for Leadville Trail 100 MTB

The Leadville Trail 100 MTB is an ultra-endurance mountain bike classic. Starting at 3,100 meters, it climbs to the Columbine Mine at nearly 3,800 meters.

Entries: Lottery registration opens in December with qualifier events available.

Distance
About 160 km
Elevation
About 3800 m
Typical Finish
About 6–12 hours
Preparation
24 weeks

What Leadville Trail 100 MTB demands

Thin air at extreme altitude, relentless climbing on mining roads, and earning the coveted sub-9-hour big buckle.

High altitudeLong mountain passesChunky & loose gravelTechnical handling

Your preparation roadmap

24 weeks recommended
Phase 1February–March

Base training plan

8 weeks progression
Phase 2April–May

Sweet spot training plan

7 weeks progression
Phase 3June–July

Climbing training plan

7 weeks progression
Phase 4August

Peak & Taper

2 weeks progression

Winter on the trainer

Focus on sustained threshold efforts above 3,000 meters elevation and the steep Columbine climb.

Columbine high altitude simulationIndoor trainer

50 min sustained climb effort at 90 to 95% FTP on steep simulated resistance.

Leadville terrain endurance rideOutdoor long ride

6 hours outside on dirt roads and non-technical mountain bike trails.

Powerline low-cadence torque repsIndoor trainer

4x10 min at 50 to 60 rpm on 95% FTP mimicking loose steep pitches.

High-altitude sub-threshold pacingIndoor trainer

3x20 min at 88% FTP focusing on controlled breathing.

Core indoor training blocks:FTP builder plan →

Routes (approximate, recent editions)

  • Out-and-back course of about 160 km (100 miles) starting above 3,100 m elevation

Key climbs & sectors

  • Columbine Mine
  • Powerline
  • Sugarloaf

Frequently asked questions

How hard is Leadville Trail 100 MTB?

Thin air at extreme altitude, relentless climbing on mining roads, and earning the coveted sub-9-hour big buckle.

How many weeks do I need to train for Leadville Trail 100 MTB?

We recommend 24 weeks of structured training to build a durable aerobic base, sustained climbing or gravel power, and event-specific stamina.

Can I prepare for Leadville Trail 100 MTB indoors on a trainer?

Focus on sustained threshold efforts above 3,000 meters elevation and the steep Columbine climb. High-quality interval workouts and threshold blocks are often more time-efficient on an indoor trainer.

What are the key climbs and sectors of Leadville Trail 100 MTB?

Columbine Mine, Powerline, Sugarloaf. Official routes can vary across editions — always verify current course details on the official website.

When do entries open for Leadville Trail 100 MTB?

Lottery registration opens in December with qualifier events available. Consult the official site at https://www.leadvilleraceseries.com for entry details and registration openings.

Build your Leadville Trail 100 MTB plan

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TrainCraft is not affiliated with Leadville Trail 100 MTB. Route figures and elevations are approximate and based on recent editions. Always verify current routes, dates and entry regulations on the official Leadville Trail 100 MTB website.