2025 CKF Leadville Trail 100 Run

  • Date Sat 16th August 2025 - Sun 17th August 2025
  • Time 4:00AM EST
  • Location Aspen, Colorado
  • Price Free
  • Races 1 race
  • Distances Ultra

Event summary

Get ready for an unforgettable experience at the 2025 CKF Leadville Trail 100 Run, taking place from Saturday, August 16th to Sunday, August 17th, 2025, in the stunning Aspen, Pitkin area. This iconic event, known as the Race Across The Sky, invites runners to tackle a challenging 100-mile course that showcases the breathtaking beauty and rugged terrain of the Colorado Rockies. With elevations soaring between 9,200 and 12,600 feet, participants will push their limits and embrace the spirit of adventure.

Since its inception in 1983, this legendary race has been a proving ground for endurance athletes, where every mile tells a story of determination and resilience. Not only do runners have the chance to conquer the mountains, but they also support an important cause, as the Chris Klug Foundation collaborates with the event to raise awareness for organ, eye, and tissue donation. Join a community of passionate individuals who come together to honor those in need and celebrate the incredible journey of life. Donโ€™t miss this opportunity to be part of a race that truly inspires and transforms!

Organiser's Description

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.

The Chris Klug Foundation has been a charity partner with LifeTime's MTB100 since 2012, raising $250,000+ for CKF's programs. Now, in its third year with a Trail Run Team: the team helps to educate others with the facts of organ, eye and tissue donation, all while raising awareness for the need to help those on the lifesaving waitlist.

Races

  • 2025 CKF Leadville Trail 100 Run Charity Team

    Sat 16th August 2025 (4:00AM EDT)

    Free

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Location

110 E. Hallam Street, Suite 119, Aspen, 81611, CO, United States

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