Leadville Trail
· starts 4:00 AM
Leadville, CO
Leadville Trail is a trail race of 100 miles (161 km) in Leadville, Colorado. The next edition is on Saturday, August 21, 2027, starting at 4:00 AM. The race gives its climbing as 14,941 ft (4,554 m); measured from its course file, it's 13,816 ft (4,211 m). It starts at 10,139 ft (3,090 m) above sea level. Its high point is 12,504 ft (3,811 m). The course finishes where it starts. It's a Preferred Qualifying Race for the Badwater 135, a Titanium Ticket race, whose men's and women's champions are guaranteed entry to the Badwater 135 and a Western States 100 qualifier. Entry is by lottery; registration opened on December 1, 2025. The field is about 800 runners.
There are 5 other upcoming 100-mile races in Colorado. Leadville Trail climbs about 149 ft a mile (28 m per km), flatter than 60% of the 142 100-mile races listed with their climbing.
The course
Questions about Leadville Trail
When is Leadville Trail 2027?
Leadville Trail 2027 is on Saturday, August 21, 2027, starting at 4:00 AM local time.
Where is Leadville Trail?
Leadville Trail is held in Leadville, Colorado.
How long is Leadville Trail?
Leadville Trail is 100 miles (161 km).
How much elevation gain does Leadville Trail have?
Leadville Trail has 14,941 ft (4,554 m) of elevation gain, as the race states it.
Is Leadville Trail a Western States qualifier?
Yes. Leadville Trail is on the Western States 100's list of qualifying races. Check wser.org for the qualifying standard and years.
How do you get into Leadville Trail?
Entry to Leadville Trail is by lottery. Registration opened on December 1, 2025.
What is the weather usually like at Leadville Trail?
Around Leadville Trail's date, the day's high is typically about 67°F (19°C) and the low about 40°F (4°C), averaged over recent years.
How many aid stations does Leadville Trail have?
Leadville Trail's course has 14 aid stations after the start.
Where can I see the Leadville Trail elevation profile and aid station cutoffs?
runfarwhere has Leadville Trail's course file. The outline, distance and climbing are free on its page; the elevation profile, aid stations with cutoffs and the GPX file are part of runfarwhere Premium.
How hilly is Leadville Trail?
Leadville Trail climbs about 149 ft a mile (28 m per km), flatter than 60% of the 142 100-mile races listed with their climbing.
What other 100-mile races are there in Colorado?
Other upcoming 100-mile races in Colorado include Hardrock 100 Endurance Run (July 9, 2027), High Lonesome (July 16, 2027) and Ouray 100 Mile Endurance Run (July 16, 2027).
Other races in Colorado
- Hardrock 100 Endurance Run 100 Miler · Jul 9, 2027
- High Lonesome 100 Mile · Jul 16, 2027
- Ouray 100 Mile Endurance Run 100 Miler · Jul 16, 2027
- Creede 50/100 100 Mile · Jul 24, 2027
- High Five 100 100 Mile · Aug 6, 2027
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