The 2025 event has concluded.

Leadville Trail Marathon

Leadville, CO, USAJune 28, 2025

clear-day Clear conditions throughout the day.

This is a 26.2-mile (42.2 km) marathon through the mining districts east of Leadville, is held in June each year. The midpoint of the course is at Mosquito Pass, with an altitude of 13,185 feet (4,019 m). In 2006, a "heavy" half marathon event of 15 miles was added, which is run on the same day and also goes to the top of Mosquito Pass. Wikipedia

Area Map

Course Map

FAQ

When is the 2025 Leadville Trail Marathon?

The 2025 Leadville Trail Marathon will be held on Saturday June 28, 2025.

Historical Weather

Based on 22 years of data
Avg Temp
66°F
L:42°H:66°
RunScore
8
Conditions
Rain Freq
5%
1 of 22 yrs
Wind9mph
Dew29°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2024
cloudy
49°/64°-
8
2023
partly-cloudy-day
32°/46°Light
6
2022
cloudy
50°/62°-
8
2021
partly-cloudy-day
40°/64°-
8
2019
clear-day
30°/60°-
8
2018
partly-cloudy-day
48°/64°-
8
2017
clear-day
53°/70°-
8
2016
clear-day
34°/69°-
8
2015
clear-day
39°/72°-
8
2014
clear-day
41°/58°-
8
2013
clear-day
47°/73°-
8
2012
clear-day
38°/70°-
8
2011
clear-day
44°/68°-
8
2010
partly-cloudy-day
44°/66°-
8
2009
clear-day
41°/74°-
8
2008
clear-day
42°/72°-
8
2007
clear-day
41°/70°-
8
2006
clear-day
40°/69°-
8
2005
clear-day
40°/69°-
8
2004
clear-day
34°/63°-
8
2002
partly-cloudy-day
45°/65°-
8
2001
clear-day
43°/72°-
8