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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.

9

52

252

5

Featured Rides: 9

16.1 mi 25.8 km
Peaks Trail
Frisco, CO
16.1 mi 25.8 km Frisco, CO
All Clear
Update
Dry
19 hours ago
100 
Keystone, CO
15.5 mi 25.0 km Keystone, CO
All Clear
Update
Dry
40 days ago
79 
Keystone, CO
15.1 mi 24.3 km Keystone, CO
All Clear
Update
Dry
20 days ago
45 
10.5 mi 16.8 km
Soda Park Loop
Keystone, CO
10.5 mi 16.8 km Keystone, CO
All Clear
Update
Dry
12 days ago
37 
19.9 mi 32.0 km
The Whole East Side
Breckenridge, CO
19.9 mi 32.0 km Breckenridge, CO
Unknown
Update
14.0 mi 22.5 km
Chaco's TenFoot Loop
Dillon, CO
14.0 mi 22.5 km Dillon, CO
All Clear
Update
Dry: One tree across Oro Grande near Cemetery Trail intersection
11 days ago
2.7 mi 4.3 km
Masontown Loop
Frisco, CO
2.7 mi 4.3 km Frisco, CO
Bad / Closed
Update
Fallen Trees: Entire huge trees to walk your bike over in less than ideal locations
60 days ago
Frisco, CO
11.0 mi 17.6 km Frisco, CO
All Clear
Update
Dry
49 days ago
8.4 mi 13.6 km
Ptarmigan Peak
Silverthorne, CO
8.4 mi 13.6 km Silverthorne, CO
All Clear
Update
One tree down, dry and loose and very steep
26 days ago

Trails: 52

3.3 mi 5.3 km
Lenawee
Keystone, CO
3.3 mi 5.3 km Keystone, CO
Unknown
Update
20 
0.3 mi 0.5 km
Barney Flow
Breckenridge, CO
0.3 mi 0.5 km Breckenridge, CO
All Clear
Update
Dry
43 days ago
20 
0.8 mi 1.3 km
Slalom
Breckenridge, CO
0.8 mi 1.3 km Breckenridge, CO
All Clear
Update
Mostly Dry
29 days ago
21 
10.3 mi 16.5 km
Wheeler Trail
Breckenridge, CO
10.3 mi 16.5 km Breckenridge, CO
All Clear
Update
Dry
16 days ago
1.9 mi 3.1 km
Side Door
Breckenridge, CO
1.9 mi 3.1 km Breckenridge, CO
Unknown
Update
0.9 mi 1.4 km
V3
Breckenridge, CO
0.9 mi 1.4 km Breckenridge, CO
All Clear
Update
Mostly Dry
54 days ago
10 
Breckenridge, CO
20.1 mi 32.4 km Breckenridge, CO
Unknown
Update
14 
0.9 mi 1.5 km
Nightmare on Baldy
Breckenridge, CO
0.9 mi 1.5 km Breckenridge, CO
All Clear
Update
Mostly Dry
39 days ago
2.8 mi 4.5 km
Red Trail
Keystone, CO
2.8 mi 4.5 km Keystone, CO
All Clear
Update
Some Mud
27 days ago
15 
2.8 mi 4.4 km
Baker's Tank Trail
Breckenridge, CO
2.8 mi 4.4 km Breckenridge, CO
All Clear
Update
39 days ago
18 
0.7 mi 1.2 km
X10U8
Breckenridge, CO
0.7 mi 1.2 km Breckenridge, CO
Minor Issues
Update
72 days ago
1.4 mi 2.2 km
Blair Witch
Keystone, CO
1.4 mi 2.2 km Keystone, CO
All Clear
Update
Dry
31 days ago
19 
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
All Clear
Update
Dry - Minus some water running down the last mile of Georgia Pass Rd, it's exceedingly dry.
25 days ago
Frisco, CO
9.6 mi 15.5 km Frisco, CO
Unknown
Update
11 
3.8 mi 6.1 km
Soda Creek Trail
Keystone, CO
3.8 mi 6.1 km Keystone, CO
All Clear
Update
Dry
31 days ago
0.4 mi 0.7 km
Moonstone Trail
Breckenridge, CO
0.4 mi 0.7 km Breckenridge, CO
All Clear
Update
Mostly Dry
54 days ago
10 
Dillon, CO
3.8 mi 6.1 km Dillon, CO
All Clear
Update
Dry, Mostly Dry: All clear.
50 days ago
Keystone, CO
1.4 mi 2.3 km Keystone, CO
Unknown
Update
0.6 mi 0.9 km
Mount Royal Trail
Frisco, CO
0.6 mi 0.9 km Frisco, CO
Unknown
Update
4.6 mi 7.4 km
Lakeshore Perimeter
Frisco, CO
4.6 mi 7.4 km Frisco, CO
All Clear
Update
Dry
49 days ago
1.3 mi 2.2 km
Faith Trail #951B
Frisco, CO
1.3 mi 2.2 km Frisco, CO
Unknown
Update
2.6 mi 4.2 km
Soda Ridge Trail
Keystone, CO
2.6 mi 4.2 km Keystone, CO
All Clear
Update
Dry
31 days ago
2.0 mi 3.2 km
Jody's Loop
Frisco, CO
2.0 mi 3.2 km Frisco, CO
Unknown
Update
4.0 mi 6.4 km
Galena Ditch Trail
Breckenridge, CO
4.0 mi 6.4 km Breckenridge, CO
All Clear
Update
3 days ago
1.1 mi 1.8 km
Toad Alley
Breckenridge, CO
1.1 mi 1.8 km Breckenridge, CO
Unknown
Update
Frisco, CO
2.7 mi 4.3 km Frisco, CO
All Clear
Update
Dry: Trees are clear except for 1 small one at top.
37 days ago
1.6 mi 2.6 km
Buzzsaw Loop
Frisco, CO
1.6 mi 2.6 km Frisco, CO
Unknown
Update
Frisco, CO
5.8 mi 9.3 km Frisco, 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
All Clear
Update
Dry
63 days ago
0.5 mi 0.7 km
Mike's Trail
Breckenridge, CO
0.5 mi 0.7 km Breckenridge, CO
All Clear
Update
Mostly Dry
29 days ago
Frisco, CO
1.1 mi 1.7 km Frisco, CO
All Clear
Update
Fun trail. The wooden features need replacement soon, but as of now they can support loads more weight than they need to.
29 days ago
1.1 mi 1.8 km
Pence Miller
Breckenridge, CO
1.1 mi 1.8 km Breckenridge, CO
All Clear
Update
Dry
26 days ago
1.5 mi 2.4 km
B&B Trail
Breckenridge, CO
1.5 mi 2.4 km Breckenridge, CO
All Clear
Update
Mostly Dry
54 days ago
0.8 mi 1.4 km
Hermit Placer
Breckenridge, CO
0.8 mi 1.4 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
All Clear
Update
Dry
63 days ago
0.4 mi 0.7 km
Riechl's Retreat
Silverthorne, CO
0.4 mi 0.7 km Silverthorne, CO
All Clear
Update
Dry
63 days ago
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
Keystone, CO
2.9 mi 4.6 km Keystone, CO
All Clear
Update
Dry
27 days ago
2.9 mi 4.7 km
Sallie Barber Road
Breckenridge, CO
2.9 mi 4.7 km Breckenridge, CO
Unknown
Update
Breckenridge, CO
3.2 mi 5.1 km Breckenridge, CO
Minor Issues
Update
Mostly Dry, Some Mud
52 days ago
Frisco, CO
1.6 mi 2.6 km Frisco, CO
Bad / Closed
Update
Fallen Trees - A huge number of fallen trees make the trail impassable.
62 days ago
0.5 mi 0.9 km
Switchback
Frisco, CO
0.5 mi 0.9 km Frisco, CO
All Clear
Update
Dry
63 days ago
1.4 mi 2.2 km
Shock Hill
Breckenridge, CO
1.4 mi 2.2 km Breckenridge, CO
Unknown
Update
0.9 mi 1.4 km
Granny's Trail
Keystone, CO
0.9 mi 1.4 km Keystone, CO
All Clear
Update
Dry
56 days ago
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
Unknown
Update
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