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9.6 mi 15.4 km Beaver Brook Trail
Intermediate/Difficult Intermediate/Difficult
Golden, CO
Intermediate/Difficult Intermediate/Difficult
Golden, CO 43 
19.0 mi 30.6 km Ten-Mile Range Traverse
Very Difficult Very Difficult
Frisco, CO
Very Difficult Very Difficult
Frisco, CO 16 
3.7 mi 5.9 km Mt. Massive Trail
Difficult Difficult
Leadville North, CO
Difficult Difficult
Leadville North, CO
8.3 mi 13.3 km Grays and Torreys Peaks
Intermediate/Difficult Intermediate/Difficult
Georgetown, CO
Intermediate/Difficult Intermediate/Difficult
Georgetown, CO 131 
11.0 mi 17.7 km The Loveland Double
Very Difficult Very Difficult
Keystone, CO
Very Difficult Very Difficult
Keystone, CO
11.4 mi 18.3 km CDT: Rainbow Road to Rollins Pass (CO Sec. 33)
Difficult Difficult
Central City, CO
Difficult Difficult
Central City, CO
15.7 mi 25.2 km High Lonesome Loop
Difficult Difficult
Nederland, CO
Difficult Difficult
Nederland, CO 123 
10.3 mi 16.6 km CT - Segment 2: South Platte River to Little Scraggy
Intermediate Intermediate
Pine, CO
Intermediate Intermediate
Pine, CO 19 
2.8 mi 4.6 km Snowshoe Hare Trail
Intermediate Intermediate
Coal Creek, CO
Intermediate Intermediate
Coal Creek, CO
10.4 mi 16.8 km Staunton East Side Loop
Intermediate Intermediate
Pine, CO
Intermediate Intermediate
Pine, CO 29 
9.2 mi 14.8 km Mount Falcon East Loop
Intermediate Intermediate
Morrison, CO
Intermediate Intermediate
Morrison, CO 57 
3.6 mi 5.8 km North Trail - Eastern Section
Intermediate Intermediate
Vail, CO
Intermediate Intermediate
Vail, CO
6.9 mi 11.1 km Philip Miller Park
Intermediate/Difficult Intermediate/Difficult
Castle Rock, CO
Intermediate/Difficult Intermediate/Difficult
Castle Rock, CO 11 
14.0 mi 22.5 km Longs Peak - Keyhole Route
Difficult Difficult
Estes Park, CO
Difficult Difficult
Estes Park, CO 131 
32.5 mi 52.2 km Ridgeline Trail 50K
Intermediate Intermediate
Castle Rock, CO
Intermediate Intermediate
Castle Rock, CO
19.6 mi 31.6 km East/West Regional Trail (EWRT)
Easy/Intermediate Easy/Intermediate
Highlands Ranch, CO
Easy/Intermediate Easy/Intermediate
Highlands Ranch, CO 11 
2.6 mi 4.2 km Bluffs Regional Park Trail
Easy/Intermediate Easy/Intermediate
Carriage Club, CO
Easy/Intermediate Easy/Intermediate
Carriage Club, CO 20 
10.1 mi 16.2 km Stewart Trail
Intermediate Intermediate
Castle Rock, CO
Intermediate Intermediate
Castle Rock, CO 14 
13.9 mi 22.3 km Waterton Canyon
Easy/Intermediate Easy/Intermediate
Roxborough Park, CO
Easy/Intermediate Easy/Intermediate
Roxborough Park, CO 39 
16.3 mi 26.2 km CT - Segment 1: Waterton Canyon to South Platte River
Intermediate Intermediate
Roxborough Park, CO
Intermediate Intermediate
Roxborough Park, CO 19 

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