Trail RunningUTMB Index Races

Leadville Trail 100 Run

Trail Running covering 160.9 km with up to 4,230 m D+ in Leadville (Colorado, United States)

LocationLeadville, Colorado, United StatesShow on map(39.2508° N, 106.2925° W)
Date & StatusAugust 21, 2027 to August 22, 2027Date confirmed
First edition1983
Elevation gainUp to +4,230 m

Leadville Trail 100 Run is an endurance sporting event in Leadville, Colorado, US focused on Trail Running. First held in 1983, the event is an established fixture on the endurance calendar. It is part of UTMB Index Races. Key features include Nature & Off-Road, Mountain, Night Run, High Altitude.

The competition program features Leadville Trial 100 Run (160.93 km, +4,230 m D+). The next edition is officially confirmed from August 21, 2027 to August 22, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (leadvilleraceseries.com).

Official website
Leadville Trail 100 Run in Leadville (Work: "Table mountain light painting", Photo: Jonathan Beech, License: CC BY-SA 4.0, Source: Wikimedia Commons)
"Table mountain light painting" · Photo: Jonathan Beech · Wikimedia CommonsCC BY-SA 4.0
Cropped to 16:9 (960 × 540 px), WebP · Shared under the same license

Event characteristics

Nature & Off-RoadMountainNight RunHigh AltitudeMulti-Day

Races & distances (1)

CompetitionDisciplineDistanceElevation gainAltitude rangeCourse typeCourse & profile
Leadville Trial 100 RunTrail Running160.93 km+4,230 m1,150 m - 2,927 mLoop courseRoute & profile
Course & Elevation Telemetry

Course route & map

Leadville Trial 100 Run160.93 km
Distance
160.93 km
Elevation gain
+4,230 m D+
Elevation loss
-4,230 m D-
Altitude range
1,150 m - 2,927 m
Gradient (Avg / Max)
5.3 % / 9.5 %
Course format
Loop course
160.93 km+4,230 m D+
Start (S)Finish (F)
N255075100125150FS39.2508° N, 106.2925° W

Elevation profile & course telemetry

Altitude from 1,150 m to 2,927 m above sea level (+4,230 m D+, -4,230 m D-)

Peak: 2,927 m·at 79.3 km·Ø 5.3 %
1,150 m1,742 m2,335 m2,927 m0 km32.2 km64.4 km96.6 km128.7 km160.9 km2,927 m
Event Information & Answers

Frequently asked questions (FAQ)

When and where does Leadville Trail 100 Run take place?

Leadville Trail 100 Run takes place in Leadville, Colorado, US (start area at coordinates 39.2508° N, 106.2925° W). The next edition is officially confirmed from August 21, 2027 to August 22, 2027.

What races and distances are offered at Leadville Trail 100 Run?

The competition program features Leadville Trial 100 Run (160.93 km, +4,230 m D+). The competitions belong to Trail Running.

What is the course layout and elevation profile for Leadville Trail 100 Run?

The main competition (Leadville Trial 100 Run over 160.93 km) is designed as a loop course featuring +4,230 m of elevation gain and -4,230 m of elevation loss, ranging between 1,150 m and 2,927 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.

Where can I find registration and official race rules for Leadville Trail 100 Run?

Official race regulations, course details, and registration information are provided on the organizer's website (leadvilleraceseries.com).