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Summit Fat Tire Society


The Summit Fat Tire Society, established in 1990, is a non-profit organization based in Summit County, Colorado and dedicated to supporting mountain biking, trails, and the resources around us through building and maintaining trails, being advocates for the sport, and organizing social events to help build a close-knit community of riders.

8

53

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5

Featured Rides: 8

Keystone, CO
16.0 mi 25.8 km Keystone, CO
All Clear
Update
Dry
44 days ago
92 
Keystone, CO
16.1 mi 25.8 km Keystone, CO
Minor Issues
Update
Dry: Very loose and dusty. Rutted in the second half.
62 days ago
59 
10.7 mi 17.2 km
Soda Park Loop
Keystone, CO
10.7 mi 17.2 km Keystone, CO
All Clear
Update
Dry
55 days ago
51 
14.4 mi 23.1 km
Chaco's TenFoot Loop
Dillon, CO
14.4 mi 23.1 km Dillon, CO
All Clear
Update
Dry
19 days ago
24 
20.9 mi 33.6 km
The Whole East Side
Breckenridge, CO
20.9 mi 33.6 km Breckenridge, CO
All Clear
Update
Mostly Dry
76 days ago
Frisco, CO
11.0 mi 17.6 km Frisco, CO
All Clear
Update
55 days ago
12 
8.4 mi 13.6 km
Ptarmigan Peak
Silverthorne, CO
8.4 mi 13.6 km Silverthorne, CO
Minor Issues
Update
Mostly Dry, Fallen Trees - about 2 fallen trees.
44 days ago
12 
2.7 mi 4.3 km
Masontown Loop
Frisco, CO
2.7 mi 4.3 km Frisco, CO
Unknown
Update

Trails: 53

8.0 mi 12.9 km
Peaks Trail
Frisco, CO
8.0 mi 12.9 km Frisco, CO
Minor Issues
Update
Muddy, Snowy, Icy - Embrace mud season!
36 days ago
118 
3.3 mi 5.3 km
Lenawee
Keystone, CO
3.3 mi 5.3 km Keystone, CO
All Clear
Update
Dry
63 days ago
28 
0.3 mi 0.5 km
Barney Flow
Breckenridge, CO
0.3 mi 0.5 km Breckenridge, CO
Unknown
Update
25 
10.3 mi 16.5 km
Wheeler Trail
Breckenridge, CO
10.3 mi 16.5 km Breckenridge, CO
Unknown
Update
15 
0.8 mi 1.3 km
Slalom
Breckenridge, CO
0.8 mi 1.3 km Breckenridge, CO
Unknown
Update
24 
2.0 mi 3.2 km
Side Door
Breckenridge, CO
2.0 mi 3.2 km Breckenridge, CO
Unknown
Update
2.8 mi 4.4 km
Baker's Tank Trail
Breckenridge, CO
2.8 mi 4.4 km Breckenridge, CO
Unknown
Update
26 
Breckenridge, CO
20.1 mi 32.4 km Breckenridge, CO
All Clear
Update
Dry
79 days ago
17 
0.9 mi 1.4 km
V3
Breckenridge, CO
0.9 mi 1.4 km Breckenridge, CO
Unknown
Update
11 
2.8 mi 4.5 km
Red Trail
Keystone, CO
2.8 mi 4.5 km Keystone, CO
Unknown
Update
18 
Frisco, CO
9.6 mi 15.4 km Frisco, CO
All Clear
Update
Mostly Dry - Tacky and Techy - More enjoyable ascent and descent if you do this ride in the other direction, starting on the Copper side
52 days ago
16 
0.9 mi 1.5 km
Nightmare on Baldy
Breckenridge, CO
0.9 mi 1.5 km Breckenridge, CO
Unknown
Update
1.4 mi 2.2 km
Blair Witch
Keystone, CO
1.4 mi 2.2 km Keystone, CO
Unknown
Update
22 
0.7 mi 1.2 km
X10U8
Breckenridge, CO
0.7 mi 1.2 km Breckenridge, CO
Unknown
Update
0.9 mi 1.4 km
Betty's Trail
Breckenridge, CO
0.9 mi 1.4 km Breckenridge, CO
Unknown
Update
4.3 mi 6.9 km
Great Flume
Breckenridge, CO
4.3 mi 6.9 km Breckenridge, CO
Minor Issues
Update
Dry - 1 downed tree across the trail towards the beginning of Flume but it can easily be stepped over..... possibly rideable.
97 days ago
3.8 mi 6.1 km
Soda Creek Trail
Keystone, CO
3.8 mi 6.1 km Keystone, CO
All Clear
Update
80 days ago
11 
0.6 mi 0.9 km
Mount Royal Trail
Frisco, CO
0.6 mi 0.9 km Frisco, CO
Unknown
Update
0.4 mi 0.7 km
Moonstone Trail
Breckenridge, CO
0.4 mi 0.7 km Breckenridge, CO
Unknown
Update
12 
4.0 mi 6.4 km
Galena Ditch Trail
Breckenridge, CO
4.0 mi 6.4 km Breckenridge, CO
Unknown
Update
11 
2.6 mi 4.2 km
Soda Ridge Trail
Keystone, CO
2.6 mi 4.2 km Keystone, CO
All Clear
Update
80 days ago
12 
2.0 mi 3.2 km
Jody's Loop
Frisco, CO
2.0 mi 3.2 km Frisco, CO
Unknown
Update
Keystone, CO
1.4 mi 2.3 km Keystone, CO
Unknown
Update
4.6 mi 7.4 km
Lakeshore Perimeter
Frisco, CO
4.6 mi 7.4 km Frisco, CO
Unknown
Update
Dillon, CO
3.8 mi 6.1 km Dillon, CO
All Clear
Update
Dry
19 days ago
1.3 mi 2.2 km
Faith Trail #951B
Frisco, CO
1.3 mi 2.2 km Frisco, CO
Unknown
Update
Frisco, CO
2.7 mi 4.3 km Frisco, CO
Minor Issues
Update
Clear cut damage. Get the fat tire groove back should still be some fun riding after some laps.
20 days ago
1.1 mi 1.8 km
Toad Alley
Breckenridge, CO
1.1 mi 1.8 km Breckenridge, CO
Unknown
Update
1.6 mi 2.6 km
Buzzsaw Loop
Frisco, CO
1.6 mi 2.6 km Frisco, CO
Unknown
Update
0.5 mi 0.7 km
Mike's Trail
Breckenridge, CO
0.5 mi 0.7 km Breckenridge, CO
Unknown
Update
0.9 mi 1.5 km
Masontown Trail
Frisco, CO
0.9 mi 1.5 km Frisco, CO
Unknown
Update
0.6 mi 0.9 km
Olympian's Link
Silverthorne, CO
0.6 mi 0.9 km Silverthorne, CO
Unknown
Update
0.8 mi 1.4 km
Hermit Placer
Breckenridge, CO
0.8 mi 1.4 km Breckenridge, CO
Unknown
Update
Frisco, CO
1.1 mi 1.7 km Frisco, CO
Unknown
Update
1.1 mi 1.8 km
Pence Miller
Breckenridge, CO
1.1 mi 1.8 km Breckenridge, CO
Unknown
Update
1.5 mi 2.4 km
B&B Trail
Breckenridge, CO
1.5 mi 2.4 km Breckenridge, CO
Unknown
Update
0.5 mi 0.9 km
Rocky's Ride
Frisco, CO
0.5 mi 0.9 km Frisco, CO
Unknown
Update
0.9 mi 1.5 km
Buzzsaw
Frisco, CO
0.9 mi 1.5 km Frisco, CO
Unknown
Update
0.4 mi 0.7 km
Riechl's Retreat
Silverthorne, CO
0.4 mi 0.7 km Silverthorne, CO
Unknown
Update
Keystone, CO
2.9 mi 4.6 km Keystone, CO
Unknown
Update
Frisco, CO
5.8 mi 9.3 km Frisco, CO
Unknown
Update
Breckenridge, CO
3.2 mi 5.1 km Breckenridge, CO
Minor Issues
Update
Muddy, Snowy, Icy - Embrace mud season!
36 days ago
Frisco, CO
1.6 mi 2.6 km Frisco, CO
Unknown
Update
0.5 mi 0.9 km
Switchback
Frisco, CO
0.5 mi 0.9 km Frisco, CO
Unknown
Update
2.9 mi 4.7 km
Sallie Barber Road
Breckenridge, CO
2.9 mi 4.7 km Breckenridge, CO
Minor Issues
Update
Dry - 1 downed tree across the trail towards the beginning of Flume but it can easily be stepped over..... possibly rideable.
97 days ago
1.4 mi 2.2 km
Shock Hill
Breckenridge, CO
1.4 mi 2.2 km Breckenridge, CO
Unknown
Update
1.7 mi 2.7 km
Prospect Trail
Breckenridge, CO
1.7 mi 2.7 km Breckenridge, CO
Unknown
Update
2.2 mi 3.5 km
Crystal Lakes Road
Breckenridge, CO
2.2 mi 3.5 km Breckenridge, CO
Unknown
Update
0.9 mi 1.4 km
Granny's Trail
Keystone, CO
0.9 mi 1.4 km Keystone, CO
Unknown
Update
Frisco, CO
0.5 mi 0.8 km Frisco, CO
Unknown
Update
1.5 mi 2.4 km
Governor King Trail
Breckenridge, CO
1.5 mi 2.4 km Breckenridge, CO
Minor Issues
Update
Dry - 1 downed tree across the trail towards the beginning of Flume but it can easily be stepped over..... possibly rideable.
97 days ago
0.5 mi 0.9 km
Balfonz Blitz
Frisco, CO
0.5 mi 0.9 km Frisco, CO
Unknown
Update
Breckenridge, CO
1.3 mi 2.0 km Breckenridge, CO
Unknown
Update