2026 Life Time Leadville Trail 100 Run presented by La Sportiva
About the Event
The Leadville Trail 100 Run, often referred to as the Race Across the Sky, is an ultramarathon that has captured the imagination of endurance athletes since its inception in 1983. This grueling race spans a staggering distance of 100 miles and ventures through some of Colorado’s most awe-inspiring landscapes within the Rocky Mountains. Starting at an elevation of 10,200 feet above sea level, participants are immediately immersed in the thin mountain air as they begin their ascent towards Hope Pass. This section is particularly challenging, reaching a daunting peak of 12,500 feet where runners must navigate treacherous terrain and steep inclines under sometimes harsh weather conditions. The race not only tests physical limits but also mental fortitude, pushing competitors to dig deep into reserves of determination and resilience. As the miles tick by, each finisher is awarded with a revered silver or gold belt buckle, symbolizing their achievement in one of endurance running’s most prestigious events. This event offers runners an unparalleled experience, combining breathtaking scenery with demanding trails that challenge even the fittest athletes. The Leadville Trail 100 Run remains a testament to human perseverance and dedication. The race's legacy is built on its unique blend of natural beauty and extreme conditions, making it a bucket-list item for ultramarathon enthusiasts around the world.
Races Offered
Leadville Trail 100 Run
Aug 22, 2026
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Distance —
160.9K
terrain
Type —
Running
timer
10:00
Weather History
These values represent the 3-year monthly averages for August in Leadville.
thermostatTemperature
4.4° / 20.0°
wb_sunnyFeels like
2.3° / 16.6°
light_mode
Avg sunshine hours
12h 29m
water_drop
Avg rainfall
1.3 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
5.0 km/h (Light breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
High (7.0)
humidity_mid
Humidity
61.5%
wb_twilight
Sunrise
06:19
nightlight
Sunset
19:58
About Leadville
Learn more about the host city, Leadville.
Leadville is a city in Lake County, Colorado that is about tourism, especially outdoor recreation. In the winter, multiple ski areas are within driving distance. In the summer, hikes abound. The Continental Divide Trail and the Colorado Trail pass near enough to Leadville that through hikers can rest and receive supplies here. It is the highest city in the continental United States, at 10,200ft, and is in the heart of the Sawatch Range. Offering access to the highest 14,000ft peak in Colorado Mt Elbert and Mt Massive.