The 2025 event has concluded.
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
Historical Weather
Based on 22 years of data
Avg Temp
66°F
L:42°H:66°
RunScore
Conditions
Rain Freq
5%
1 of 22 yrs
Wind9mph
Dew29°F
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2024 | 49°/64° | - | 44° | ||
2023 | 32°/46° | Light | 31° | ||
2022 | 50°/62° | - | 39° | ||
2021 | 40°/64° | - | 41° | ||
2019 | 30°/60° | - | 31° | ||
2018 | 48°/64° | - | 36° | ||
2017 | 53°/70° | - | 27° | ||
2016 | 34°/69° | - | 17° | ||
2015 | 39°/72° | - | 28° | ||
2014 | 41°/58° | - | 8° | ||
2013 | 47°/73° | - | 36° | ||
2012 | 38°/70° | - | 28° | ||
2011 | 44°/68° | - | 37° | ||
2010 | 44°/66° | - | 39° | ||
2009 | 41°/74° | - | 37° | ||
2008 | 42°/72° | - | 33° | ||
2007 | 41°/70° | - | 35° | ||
2006 | 40°/69° | - | 35° | ||
2005 | 40°/69° | - | 29° | ||
2004 | 34°/63° | - | 20° | ||
2002 | 45°/65° | - | 42° | ||
2001 | 43°/72° | - | 41° |