In 5 days · Sat, Aug 15, 2026
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Saturday, August 15th, 2026
316 Harrison Ave, Leadville CO
Ultra
40–67°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
42–69°F
dry
2024
35–67°F
dry
2023
38–73°F
dry
2022
42–66°F
rain
2021
43–69°F
dry
2020
39–72°F
dry
2019
35–66°F
dry
2018
42–66°F
dry
2017
38–62°F
dry
2016
42–68°F
dry
Best months to race in Colorado →
Race-day forecast · Saturday, Aug 15
Rain likely · 43–70°F
Saturday, Aug 15starts near 43°F · 51% chance of rain · wind up to 6 mph
About this race
Race Overview
This is it: the race of all races. One hundred miles across the high-altitude, extreme terrain of the Colorado Rockies, this event was created for only the most determined athletes. Starting at 10,152 feet and climbing to 12,424 feet, you’ll be challenged to catch your breath—while the views try to take it away.
Charity Partnership
The Chris Klug Foundation (CKF) has been a charity partner with Lifetime since 2012, raising over $250,000+ for CKF's programs. CKF's Leadville Trail 100 charity team helps to educate others on the facts of organ, eye & tissue donation, while raising awareness for those awaiting a lifesaving transplant nationwide.
Event Details
- Date: August 15, 2026
- Location: 316 Harrison Ave, Leadville, CO
- Distance: 100 miles
- Elevation: Starts at 10,152 feet, climbs to 12,424 feet
More Information
For more details and to register, visit the official race page.
Course map
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