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Leadville Trail 100 Run

Saturday August 16th, 2025
Leadville, Colo
Distance: 100 Miles
Offical Race Web Site

The legendary “Race Across The Sky” 100-mile run is where it all started back in 1983. This is it. The race where legends are created and limits are tested. One hundred miles of extreme Colorado Rockies terrain — from elevations of 9,200 to 12,600 feet. You will give the mountain respect, and earn respect from all.

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Leadville Trail 100 Run

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Leadville Trail 100 Run, Race Date: 2024-08-17, Distance: 100 Miles
Division Time Name Age Home
Male 15:26:34 David F Roche 36 Boulder, CO
2nd Male 15:56:34 Adrian Macdonald 35 Fort Collins, CO
3rd Male 16:09:40 Ryan Montgomery 30 Wanship, UT
4th Male 17:21:39 Ryan Sullivan 34 Grand Junction, CO
Female 18:23:51 Mary Denholm 37 Erie, CO
2nd Female 21:27:41 Zoe Rom 30 Carbondale, CO
3rd Female 21:48:57 Julie Wright 37 Golden, CO
4th Female 22:34:15 Jaclyn Foroughi 44 Truckee, CA
Division Time Name Age Home
M 40-49 19:34:14 Robert Strickland 44 Englewood, CO
M 50-59 18:33:21 Tim Sullivan 58 Longmont, TX
M 60-69 22:54:30 Jeffrey Jordan 61 Cottontown, TN
F 40-49 22:34:15 Jaclyn Foroughi 44 Truckee, CA
F 50-59 23:58:23 Petra Hartmann 53 Vail, CO
F 60-69 21:16:22 Junko Kazukawa 61 Denver, CO
Leadville Trail 100 Run

This event is held on the San Isabel National Forest under a special use permit.

Course history

Since 2008, there have been six changes made to the Leadville Trail 100 Run presented by New Balance course. The course was unchanged for many years before 2008.

  1. County Rd 11A/Halfmoon Road to Twin Lakes Firestation. Halfmoon aid station was moved in 2009 due to a helicopter crash just before race day. Runners went a short way up Halfmoon Road then turned left onto Pipeline road. This change removed .3 miles from the full course distance and reduced the elevation gain by 750 feet.
  2. Halfmoon Road removed entirely in 2012. The access to Pipeline Road was rerouted past the gravel pits, adding about .7 miles to the round-trip distance and about 50 feet more elevation gain.
  3. Winfield Road/Colorado Trail change in 2012. The Winfield Road was finally removed from the course with the completion of the Colorado Trail into Winfield. This added 2.2 miles to the full-course distance and 365 additional feet of elevation gain.
  4. In 2013, a portion of the Colorado Trail near Winfield was removed. (View a map of the change). With a course distance about 2.7 miles longer in 2012 than in 2008, 2.3 miles and about 10 feet of elev gain were removed from a portion of the Colorado Trail near Winfield.
  5. In 2017, we will again use the Colorado Trail to access Winfield. This will add 2.3 miles and 10 feet of elevation gain to the course.

Aid Stations
There are 11 well-stocked aid stations along the course. Cut-off times for the aid stations do apply.


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