Audi Power of Four Trail Run Snowmass Village, CO   Jul 19, 2025

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.

The Audi Power of Four Trail offers runners a scenic mix of trails across the mountains of Aspen Snowmass.

The event’s signature race is a challenging 50K Ultra that 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. As well as a 10K race that starts at Elk Camp Restaurant and traverses across Snowmass down to Fanny Hill.

50K – 12,178 feet elevation gain / 11,632 feet elevation loss
25K – 4,918 feet elevation gain / 4,483 feet elevation loss
10K – 1,264 feet elevation gain / 2,591 feet elevation loss

50K –The challenging 50K course will traverse all four Aspen Snowmass mountains starting at Aspen Mountain and finishing in SnowmassBase Village.

25K –The 25K will start at the base of Tiehack on Buttermilk and traverse the Government trail to Snowmass Base Village.

10K – The 10K course starts at Elk Camp Restaurant and traverses across Snowmass down to Fanny Hill.