Intermediate
3.6 (8)
Local Club: Boulder Mountainbike Alliance
Nov 17, 2025: Trail Update: South St Vrain
Nov 14, 2025: Another Step Closer to new Betasso Connector
Oct 24, 2025: Boulder County Moves One Step Closer to a Safer Boulder-to-Betasso Connection
Land Manager: Boulder County, CO - Parks and Open Space
Marshall Mesa - Doudy Draw Loops
10.4 mi 16.8 km • 921' Up 280.63 m Up • 923' Down 281.18 m Down
Superior, CO
Dirty Bismark
15.7 mi 25.2 km • 933' Up 284.36 m Up • 929' Down 283.21 m Down
Superior, CO
Indian Peaks Traverse (IPT)
71.3 mi 114.8 km • 9,126' Up 2781.51 m Up • 5,767' Down 1757.86 m Down
Boulder, CO
Sugarloaf to Gordon Gulch Loop
13.5 mi 21.7 km • 1,590' Up 484.64 m Up • 1,607' Down 489.88 m Down
Boulder, CO
West Mag to Eldora and Back
18.1 mi 29.1 km • 2,135' Up 650.8 m Up • 2,136' Down 650.93 m Down
Nederland, CO
Sherwood From Nederland
5.8 mi 9.3 km • 789' Up 240.44 m Up • 793' Down 241.57 m Down
Nederland, CO
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