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3.9 mi 6.3 km Marion Mine
Intermediate/Difficult Intermediate/Difficult
Colorado City, CO
Intermediate/Difficult Intermediate/Difficult
Colorado City, CO
23.0 mi 37.1 km Rito Alto Four Pass Loop
Difficult Difficult
Westcliffe, CO
Difficult Difficult
Westcliffe, CO 24 
12.2 mi 19.7 km Venable - Comanche Loop
Intermediate/Difficult Intermediate/Difficult
Westcliffe, CO
Intermediate/Difficult Intermediate/Difficult
Westcliffe, CO 11 
7.5 mi 12.1 km Grizzly Lake
Intermediate/Difficult Intermediate/Difficult
Aspen, CO
Intermediate/Difficult Intermediate/Difficult
Aspen, CO
13.5 mi 21.6 km Lake Park Lasso
Intermediate/Difficult Intermediate/Difficult
Bailey, CO
Intermediate/Difficult Intermediate/Difficult
Bailey, CO 15 
6.4 mi 10.3 km Saint Vrain Mountain Trail #915
Difficult Difficult
Estes Park, CO
Difficult Difficult
Estes Park, CO
14.2 mi 22.9 km Red Deer Lake
Intermediate/Difficult Intermediate/Difficult
Nederland, CO
Intermediate/Difficult Intermediate/Difficult
Nederland, CO 23 
8.0 mi 12.8 km Pawnee Pass Trail
Intermediate/Difficult Intermediate/Difficult
Nederland, CO
Intermediate/Difficult Intermediate/Difficult
Nederland, CO 31 
8.2 mi 13.2 km Kroenke Lake
Intermediate Intermediate
Buena Vista, CO
Intermediate Intermediate
Buena Vista, CO 15 
11.1 mi 17.9 km CDT: Marshall Pass to Monarch Pass (CO Sec. 18)
Intermediate/Difficult Intermediate/Difficult
Whitepine, CO
Intermediate/Difficult Intermediate/Difficult
Whitepine, CO
84.4 mi 135.9 km Southern Cross CDT to CT Loop
Intermediate/Difficult Intermediate/Difficult
Leadville North, CO
Intermediate/Difficult Intermediate/Difficult
Leadville North, CO
4.4 mi 7.1 km Mount Shavano
Difficult Difficult
Alpine, CO
Difficult Difficult
Alpine, CO 17 
8.8 mi 14.1 km Mt. Yale
Intermediate/Difficult Intermediate/Difficult
St. Elmo, CO
Intermediate/Difficult Intermediate/Difficult
St. Elmo, CO 28 
5.5 mi 8.9 km Horn Fork Basin
Intermediate/Difficult Intermediate/Difficult
Buena Vista, CO
Intermediate/Difficult Intermediate/Difficult
Buena Vista, CO
10.9 mi 17.5 km Belford and Oxford
Difficult Difficult
Leadville North, CO
Difficult Difficult
Leadville North, CO 26 
10.9 mi 17.5 km Black Cloud Trail to Elbert Summit
Difficult Difficult
Leadville North, CO
Difficult Difficult
Leadville North, CO 24 
2.7 mi 4.3 km North Halfmoon Lakes Trail
Intermediate/Difficult Intermediate/Difficult
Leadville North, CO
Intermediate/Difficult Intermediate/Difficult
Leadville North, CO
7.4 mi 11.9 km East Mag Tour
Intermediate Intermediate
Nederland, CO
Intermediate Intermediate
Nederland, CO 27 
6.8 mi 11.0 km Pine Valley Loop
Intermediate Intermediate
Pine, CO
Intermediate Intermediate
Pine, CO 16 
12.2 mi 19.6 km Beartrack Lakes Loop
Intermediate/Difficult Intermediate/Difficult
Idaho Springs, CO
Intermediate/Difficult Intermediate/Difficult
Idaho Springs, CO 19 
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