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16.0 mi 25.8 km Keystone Gulch to Soda Creek Loop
Intermediate
Keystone, CO
Intermediate
Keystone, CO 163 
10.3 mi 16.6 km Meadow Mountain Loop
Intermediate/Difficult
Minturn, CO
Intermediate/Difficult
Minturn, CO 40 
4.7 mi 7.6 km Lower Arrowhead Loop
Intermediate
Avon, CO
Intermediate
Avon, CO
12.6 mi 20.3 km Lair O' the Bear - Bear Creek Trail
Intermediate
Genesee, CO
Intermediate
Genesee, CO 410 
10.5 mi 16.9 km Hall Ranch Intermediate Loop
Intermediate
Lyons, CO
Intermediate
Lyons, CO 94 
7.1 mi 11.5 km Betasso Preserve
Intermediate
Boulder, CO
Intermediate
Boulder, CO 338 
12.0 mi 19.3 km Mount Herman - Limbaugh Canyon Loop
Difficult
Monument, CO
Difficult
Monument, CO 68 
15.4 mi 24.7 km Glassier - Buckhorn Loop
Intermediate
Carbondale, CO
Intermediate
Carbondale, CO 38 
36.2 mi 58.3 km Monarch Crest - IMBA EPIC
Difficult
Whitepine, CO
Difficult
Whitepine, CO 373 
7.9 mi 12.6 km West Magnolia Tour
Intermediate
Nederland, CO
Intermediate
Nederland, CO 87 
50.9 mi 82.0 km The Alpine Loop
Intermediate/Difficult
Lake City, CO
Intermediate/Difficult
Lake City, CO
6.5 mi 10.4 km Breckenridge Flumes Loop
Intermediate
Breckenridge, CO
Intermediate
Breckenridge, CO 54 
18.6 mi 29.9 km Sidewinder Trail
Difficult
Orchard City, CO
Difficult
Orchard City, CO 36 
19.7 mi 31.7 km Rabbit Valley to Western Rim
Intermediate/Difficult
Loma, CO
Intermediate/Difficult
Loma, CO 61 
8.5 mi 13.7 km Zippity Loop
Intermediate/Difficult
Fruita, CO
Intermediate/Difficult
Fruita, CO 163 
24.0 mi 38.6 km The Snowmass Loop
Intermediate/Difficult
Snowmass Village, CO
Intermediate/Difficult
Snowmass Village, CO 22 
21.9 mi 35.3 km Rock Island to Galena Ditch
Intermediate/Difficult
Breckenridge, CO
Intermediate/Difficult
Breckenridge, CO 13 
10.8 mi 17.3 km Soda Park Loop
Intermediate
Keystone, CO
Intermediate
Keystone, CO 93 
16.1 mi 25.8 km Galena Gulch to Colorado Trail - West Ridge
Intermediate/Difficult
Keystone, CO
Intermediate/Difficult
Keystone, CO 107 
13.2 mi 21.2 km West Mag Backcountry Big Ride
Intermediate/Difficult
Nederland, CO
Intermediate/Difficult
Nederland, CO 89