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

50

240

5

Featured Rides: 8

16.1 mi 25.8 km
Peaks Trail
Frisco, CO
16.1 mi 25.8 km Frisco, CO
Minor Issues
Update
Snowy - some snow and ice in the shady areas but for the most part it is clear
2 days ago
82 
Keystone, CO
15.5 mi 25.0 km Keystone, CO
Minor Issues
Update
Muddy, Snowy - The top is snowy and muddy until about halfway down.
24 days ago
66 
Keystone, CO
15.1 mi 24.3 km Keystone, CO
Unknown
Update
39 
10.5 mi 16.8 km
Soda Park Loop
Keystone, CO
10.5 mi 16.8 km Keystone, CO
All Clear
Update
Dry
31 days ago
26 
19.9 mi 32.0 km
The Whole East Side
Breckenridge, CO
19.9 mi 32.0 km Breckenridge, CO
Unknown
Update
2.7 mi 4.3 km
Masontown Loop
Frisco, CO
2.7 mi 4.3 km Frisco, CO
Minor Issues
Update
Fallen Trees
87 days ago
Frisco, CO
11.0 mi 17.6 km Frisco, CO
All Clear
Update
Dry - A downed tree or two from the snowstorm, but nothing significant
9 days ago
8.4 mi 13.6 km
Ptarmigan Peak
Silverthorne, CO
8.4 mi 13.6 km Silverthorne, CO
Unknown
Update

Trails: 50

3.3 mi 5.3 km
Lenawee
Keystone, CO
3.3 mi 5.3 km Keystone, CO
Minor Issues
Update
Some Mud - A few snow patches.
15 hours ago
16 
0.3 mi 0.5 km
Barney Flow
Breckenridge, CO
0.3 mi 0.5 km Breckenridge, CO
All Clear
Update
Dry
5 days ago
15 
0.8 mi 1.3 km
Slalom
Breckenridge, CO
0.8 mi 1.3 km Breckenridge, CO
All Clear
Update
Dry - Great ride all around. Colors are amazing right now.
28 days ago
17 
10.3 mi 16.5 km
Wheeler Trail
Breckenridge, CO
10.3 mi 16.5 km Breckenridge, CO
All Clear
Update
Mostly Dry - Small sections of snow near the road at Breckenridge.
20 days ago
1.9 mi 3.1 km
Side Door
Breckenridge, CO
1.9 mi 3.1 km Breckenridge, CO
All Clear
Update
Dry - Great ride all around. Colors are amazing right now.
28 days ago
0.9 mi 1.4 km
V3
Breckenridge, CO
0.9 mi 1.4 km Breckenridge, CO
All Clear
Update
Dry - Great ride all around. Colors are amazing right now.
28 days ago
Breckenridge, CO
20.1 mi 32.4 km Breckenridge, CO
All Clear
Update
Dry
43 days ago
13 
0.9 mi 1.5 km
Nightmare on Baldy
Breckenridge, CO
0.9 mi 1.5 km Breckenridge, CO
Unknown
Update
0.7 mi 1.2 km
X10U8
Breckenridge, CO
0.7 mi 1.2 km Breckenridge, CO
All Clear
Update
Dry
91 days ago
2.8 mi 4.4 km
Baker's Tank Trail
Breckenridge, CO
2.8 mi 4.4 km Breckenridge, CO
Unknown
Update
14 
4.3 mi 6.9 km
Great Flume
Breckenridge, CO
4.3 mi 6.9 km Breckenridge, CO
Minor Issues
Update
Dry, Fallen Trees
96 days ago
2.8 mi 4.5 km
Red Trail
Keystone, CO
2.8 mi 4.5 km Keystone, CO
All Clear
Update
Mostly Dry - Best hero ever
57 days ago
12 
0.9 mi 1.4 km
Betty's Trail
Breckenridge, CO
0.9 mi 1.4 km Breckenridge, CO
Unknown
Update
1.4 mi 2.2 km
Blair Witch
Keystone, CO
1.4 mi 2.2 km Keystone, CO
All Clear
Update
Dry
34 days ago
16 
Frisco, CO
9.6 mi 15.5 km Frisco, CO
All Clear
Update
62 days ago
10 
0.4 mi 0.7 km
Moonstone Trail
Breckenridge, CO
0.4 mi 0.7 km Breckenridge, CO
All Clear
Update
Dry
91 days ago
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
Bad / Closed
Update
Trees down all over
73 days ago
Keystone, CO
1.4 mi 2.3 km Keystone, CO
All Clear
Update
Dry
66 days ago
1.3 mi 2.2 km
Faith Trail #951B
Frisco, CO
1.3 mi 2.2 km Frisco, CO
All Clear
Update
91 days ago
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
4.0 mi 6.4 km
Galena Ditch Trail
Breckenridge, CO
4.0 mi 6.4 km Breckenridge, CO
Unknown
Update
2.0 mi 3.2 km
Jody's Loop
Frisco, CO
2.0 mi 3.2 km Frisco, CO
Unknown
Update
Frisco, CO
2.7 mi 4.3 km Frisco, CO
All Clear
Update
Dry
74 days ago
2.6 mi 4.2 km
Soda Ridge Trail
Keystone, CO
2.6 mi 4.2 km Keystone, CO
All Clear
Update
Mostly Dry, Some Mud
88 days ago
1.1 mi 1.8 km
Toad Alley
Breckenridge, CO
1.1 mi 1.8 km Breckenridge, CO
Unknown
Update
Frisco, CO
1.6 mi 2.6 km Frisco, CO
All Clear
Update
91 days ago
1.6 mi 2.6 km
Buzzsaw Loop
Frisco, CO
1.6 mi 2.6 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
Frisco, CO
5.8 mi 9.3 km Frisco, CO
All Clear
Update
Dry
74 days ago
0.9 mi 1.5 km
Masontown Trail
Frisco, CO
0.9 mi 1.5 km Frisco, CO
All Clear
Update
91 days ago
0.5 mi 0.7 km
Mike's Trail
Breckenridge, CO
0.5 mi 0.7 km Breckenridge, CO
Unknown
Update
1.5 mi 2.4 km
B&B Trail
Breckenridge, CO
1.5 mi 2.4 km Breckenridge, CO
All Clear
Update
Dry
91 days ago
0.8 mi 1.4 km
Hermit Placer
Breckenridge, CO
0.8 mi 1.4 km Breckenridge, CO
All Clear
Update
Dry
91 days ago
Frisco, CO
1.1 mi 1.7 km Frisco, CO
All Clear
Update
Mostly Dry
5 days ago
0.9 mi 1.5 km
Buzzsaw
Frisco, CO
0.9 mi 1.5 km Frisco, CO
Unknown
Update
0.5 mi 0.9 km
Rocky's Ride
Frisco, CO
0.5 mi 0.9 km Frisco, CO
Unknown
Update
1.7 mi 2.7 km
Prospect Trail
Breckenridge, CO
1.7 mi 2.7 km Breckenridge, CO
All Clear
Update
Dry
91 days ago
0.4 mi 0.7 km
Riechl's Retreat
Silverthorne, CO
0.4 mi 0.7 km Silverthorne, CO
Unknown
Update
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
All Clear
Update
Open. Fire Closure lifted
91 days ago
2.9 mi 4.6 km
CO Rd 176
Keystone, CO
2.9 mi 4.6 km Keystone, CO
Unknown
Update
1.1 mi 1.8 km
Pence Miller
Breckenridge, CO
1.1 mi 1.8 km Breckenridge, CO
Unknown
Update
0.5 mi 0.9 km
Switchback
Frisco, CO
0.5 mi 0.9 km Frisco, 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
66 days ago
1.4 mi 2.2 km
Shock Hill
Breckenridge, CO
1.4 mi 2.2 km Breckenridge, CO
Unknown
Update
Frisco, CO
0.5 mi 0.8 km Frisco, CO
All Clear
Update
91 days ago
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
1.3 mi 2.0 km
Edwin Carter Trail
Breckenridge, CO
1.3 mi 2.0 km Breckenridge, CO
Unknown
Update