Jul 09, 2022 at 7:00 AM

Audi Power of Four Trail Run

601 E Dean St

Aspen CO, 81611


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Entry Fee $50
(Lowest or Early Registration)

Entry Fee 2 $100
(Highest or Late Registration)

Prize Money: yes


  • 10K
  • 25K
  • 50K
  • 22K

Series: US Skyrunner Series

Type: Skyrunning

Participant Limit: 300

Starting Elevation: 8000

High Point: 11675

Percent of the course on un-paved trails: 100%

First Year of the Event: 2013


The Audi Power of Four Race Series is a premier endurance race series utilizing the unique and amazing terrain of each of the four Aspen Snowmass mountains. Each race is designed to test the limits and skills of both elite and recreational athletes.

VERTICAL K, 10K, 25K AND 50K RACES The event’s signature race is a challenging 50K Ultra that has been named the US Skyrunner Series North American Continental Championship. It covers the four Aspen Snowmass mountains utilizing a mix of singletrack and dirt road. The event also offers a 25K race along the famed Government Trail covering Buttermilk and Snowmass mountains and a Vertical K race up Aspen Mountain that is also part of the US Skyrunner Series.


Race event photo
Race event photo
Race event photo


Past Event Dates

Held on Jul 09, 2022

Held on Jul 31, 2021

Held on Aug 01, 2020

Held on Jul 13, 2019

Held on Jul 29, 2018

Held on Aug 05, 2017

Held on Aug 07, 2016

Held on Jul 19, 2015

Held on Aug 05, 2014

Held on Aug 04, 2013