Leadville Trail Marathon
Leadville Trail Marathon is a high-altitude Colorado trail race to Mosquito Pass, with 26.4 rugged miles and a Leadville 100 qualifier draw.
Leadville Trail Marathon quick facts
- High-altitude trail marathon in the Leadville Race Series.
- Course reaches Mosquito Pass at 13,185 feet.
- Marathon distance is listed as 26.4 miles.
- Leadville 100 qualifier coin drawing is part of race day.
- ChronoTrack results and SMS timing updates are linked by the race.
What is the Leadville Trail Marathon?
Leadville Trail Marathon is the marathon-distance race in the Leadville Race Series. It is built for trail runners who want altitude, climbing, and mining-district terrain instead of a road PR course.
Leadville Trail Marathon course route
The route covers 26.4 miles on dirt roads and singletrack east of Leadville, topping out at Mosquito Pass at 13,185 feet. The course is out-and-back, exposed, and hard to pace because altitude matters as much as grade.
Weather for the Leadville Trail Marathon
Late June in Leadville can bring strong sun, cold air, wind, rain, or snow on the high sections. Runners should plan for fast-changing mountain weather and slower effort at altitude.
Past Leadville Trail Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Saturday, June 27, 2026 | — | — |
Leadville Trail Marathon FAQ
When is the Leadville Trail Marathon?
The 2026 Leadville Trail Marathon is on Saturday, June 27, 2026.
How do I register for the Leadville Trail Marathon?
You can register for the Leadville Trail Marathon at leadvilleraceseries.com.
Does the Leadville Trail Marathon have live tracking?
Yes. Live tracking is available at register.chronotrack.com.