Logo

Golden Leaf Half Marathon

Aspen, United States • 27 Sep 2025

Golden Leaf Half Marathon, presented by ACG, is the bucket-list race hosted by the Ute Mountaineer and the City of Aspen. The half marathon (approximately 13.1 miles) starts at Fanny Hill in Snowmass and follows the Government Trail through scenic Aspen groves, finishing at Koch Lumber Park in downtown Aspen. Set in a dramatic alpine landscape, the course showcases yellow aspen trees and mountain views as fall colors unfold.

The event features a vibrant, community atmosphere and support from sponsors Scratch Labs and Darn Tough Vermont. Registration and more information are available at utemountaineer.com/events. Hotel discounts are available for participants. Visit the organization's website for the most recent information.

United States Colorado Aspen

Race information

Website
Half Marathon
Half Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

Summit for Life

Aspen

Take on the Summit for Life in Aspen on December 6, 2025 with options to race uphill, ride the scenic gondola, or join virtually. Celebrate afterward at the Sundeck with food, live music and awards.

Gothic Mountain Tour

Crested Butte

Circle Gothic Mountain in this scenic nordic ski tour in Crested Butte with two course options and a festive finish at Magic Meadows Yurt. Proceeds benefit Crested Butte Nordic.

Leadville Trail Marathon and Heavy Half

Leadville

Run high alpine trails above Leadville, Colorado on June 27, 2026, with a rugged marathon and a shorter Heavy Half reaching Mosquito Pass at 13,185 feet. Expect old mining roads, stunning mountain views and a true high country challenge.

Grin & Bear It

Crested Butte

Run or bike alpine singletrack to Green Lake at Grin & Bear It in Crested Butte on July 11, 2026. Choose loop or out and back distances that climb above 10,000 feet for huge views and a fast descent to town.