Aspen Attack (SMC#4)
Summit Mountain Challenge Mountain Bike Series
Jul 23, 2025
Aspen,CO
Mountain Bike
About
Conquer Breckenridge’s wild trails in a high-energy mountain showdown.
The Aspen Attack, held on July 23, 2025, is part of the Summit Mountain Challenge series in Breckenridge, Colorado. This competitive mountain bike race tests endurance and technical skill on Pennsylvania Gulch's singletrack and forested trails. Riders experience the adrenaline of racing at high-alpine elevation, with a supportive, lively mountain town atmosphere.
COURSE DETAILS
Technical singletrack and forested trails around Pennsylvania Gulch, featuring rocky paths and steep climbs through White River National Forest.
Race HIGHLIGHTS
- Operates under a USDA Forest Service permit for sustainable racing.
- Awards ceremony and post-race festivities for all participants.
RIDE TYPES

Race overview
Not explicitly stated; Summit Mountain Challenge courses typically range from ~15–20 miles.
Elevation of city: 9,600 ft / Elevation gain (typical prior years): ~1,500–2,000 ft
Rocky singletrack, forest paths, and steep climbs.