A man running amongst a backdrop of yellow aspen trees

GOLDEN LEAF HALF MARATHON

PRESENTED BY ACG

WHERE

Government Trail

Fanny Hill in Snowmass to Koch Park in Aspen

WHEN

Saturday, September 27, 2025

8:00am – 1:00pm

four runners running with yellow aspen trees and a mountain landscape

Online Registrations for 2025 are SOLD OUT.

In-Store Registrations are still available and going quickly!

The bucket-list half marathon hosted by the Ute Mountaineer and the City of Aspen.

The Golden Leaf Half Marathon, presented by ACG, starts from Fanny Hill in Snowmass and runs across the Government trail through the beautiful Aspen groves, finishing at Koch Lumber Park in downtown Aspen. Registration opens May 1, 2025 and sells out quickly, with the race taking place in late September each year.

Registration and more information can be found at utemountaineer.com/events.

Additional Support provided by Scratch Labs & Darn Tough Vermont

Looking for accommodations for the race this year? These local hotels are offering discounts. Mentioned the race name when you call and they will give you the details or click the links below.

  • Aspen Meadows Resort - 2026 special discount code applied by clicking this link. 2 night minimum stay required.