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.

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Featured Rides: 7

15.6 mi 25.1 km
Peaks Trail
Frisco, CO
15.6 mi 25.1 km Frisco, CO
All Clear
Update
Dry - Nearly perfect! Dry and fast.
12 hours ago
58 
Keystone, CO
15.5 mi 25.0 km Keystone, CO
All Clear
Update
Dry
4 days ago
41 
Keystone, CO
15.1 mi 24.3 km Keystone, CO
All Clear
Update
All snow can now be ridden around sustainably.
4 days ago
16 
10.5 mi 16.8 km
Soda Park Loop
Keystone, CO
10.5 mi 16.8 km Keystone, CO
All Clear
Update
Mostly Dry - Dry/loose on west facing ridges
11 days ago
13 
2.7 mi 4.3 km
Masontown Loop
Frisco, CO
2.7 mi 4.3 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 days ago
8.4 mi 13.6 km
Ptarmigan Peak
Silverthorne, CO
8.4 mi 13.6 km Silverthorne, CO
Bad / Closed
Update
Snowy, Some Mud, Fallen Trees - Not rideable to any reasonable degree right now. After the first 2/3 of a mile (which is usually the only part that...
45 days ago
Frisco, CO
11.0 mi 17.6 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 days ago

Trails: 50

10.3 mi 16.5 km
Wheeler Trail
Breckenridge, CO
10.3 mi 16.5 km Breckenridge, CO
Bad / Closed
Update
Muddy, Snowy
5 days ago
3.3 mi 5.3 km
Lenawee
Keystone, CO
3.3 mi 5.3 km Keystone, CO
Unknown
Update
0.8 mi 1.3 km
Slalom
Breckenridge, CO
0.8 mi 1.3 km Breckenridge, CO
All Clear
Update
Dry
10 days ago
0.3 mi 0.5 km
Barney Flow
Breckenridge, CO
0.3 mi 0.5 km Breckenridge, CO
All Clear
Update
Dry
3 days ago
10 
Breckenridge, CO
20.1 mi 32.4 km Breckenridge, CO
Bad / Closed
Update
Snowy - Snow up top. Stay off front rangers
9 days ago
1.9 mi 3.1 km
Side Door
Breckenridge, CO
1.9 mi 3.1 km Breckenridge, CO
All Clear
Update
Dry
10 days ago
Frisco, CO
2.7 mi 4.3 km Frisco, CO
Bad / Closed
Update
Fallen Trees: Stop and go 100 yrd sections at times due to fallen trees. Whole area got hit pretty hard by wind in Jan/Feb.
14 days ago
0.9 mi 1.4 km
V3
Breckenridge, CO
0.9 mi 1.4 km Breckenridge, CO
All Clear
Update
Dry
10 days ago
0.7 mi 1.2 km
X10U8
Breckenridge, CO
0.7 mi 1.2 km Breckenridge, CO
All Clear
Update
Dry
10 days ago
0.9 mi 1.4 km
Betty's Trail
Breckenridge, CO
0.9 mi 1.4 km Breckenridge, CO
Unknown
Update
0.9 mi 1.5 km
Nightmare on Baldy
Breckenridge, CO
0.9 mi 1.5 km Breckenridge, CO
All Clear
Update
Small patches of snow. Mostly clear
10 days ago
2.8 mi 4.4 km
Baker's Tank Trail
Breckenridge, CO
2.8 mi 4.4 km Breckenridge, CO
All Clear
Update
Dry
5 days ago
2.8 mi 4.5 km
Red Trail
Keystone, CO
2.8 mi 4.5 km Keystone, CO
Unknown
Update
10 
1.4 mi 2.2 km
Blair Witch
Keystone, CO
1.4 mi 2.2 km Keystone, CO
All Clear
Update
Dry
10 days ago
13 
4.3 mi 6.9 km
Great Flume
Breckenridge, CO
4.3 mi 6.9 km Breckenridge, CO
Unknown
Update
4.0 mi 6.4 km
Galena Ditch Trail
Breckenridge, CO
4.0 mi 6.4 km Breckenridge, CO
Unknown
Update
3.8 mi 6.1 km
Soda Creek Trail
Keystone, CO
3.8 mi 6.1 km Keystone, CO
All Clear
Update
Mostly Dry - Dry/loose on west facing ridges
11 days ago
Frisco, CO
5.8 mi 9.3 km Frisco, CO
Unknown
Update
Keystone, CO
1.4 mi 2.3 km Keystone, CO
Unknown
Update
Frisco, CO
9.6 mi 15.5 km Frisco, CO
All Clear
Update
Dry - I cut the trees today so you can send it
21 hours ago
Frisco, CO
1.1 mi 1.7 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 days ago
1.3 mi 2.2 km
Faith Trail #951B
Frisco, CO
1.3 mi 2.2 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 days ago
4.6 mi 7.4 km
Lakeshore Perimeter
Frisco, CO
4.6 mi 7.4 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 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 - Dry/loose on west facing ridges
11 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 - Trail is in great shape.
12 hours ago
0.6 mi 0.9 km
Mount Royal Trail
Frisco, CO
0.6 mi 0.9 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 days ago
1.1 mi 1.8 km
Toad Alley
Breckenridge, CO
1.1 mi 1.8 km Breckenridge, CO
Unknown
Update
2.0 mi 3.2 km
Jody's Loop
Frisco, CO
2.0 mi 3.2 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 days ago
1.5 mi 2.4 km
B&B Trail
Breckenridge, CO
1.5 mi 2.4 km Breckenridge, CO
All Clear
Update
Dry
10 days ago
Breckenridge, CO
3.2 mi 5.1 km Breckenridge, CO
Unknown
Update
0.9 mi 1.5 km
Masontown Trail
Frisco, CO
0.9 mi 1.5 km Frisco, CO
All Clear
Update
Dry - Nearly perfect! Dry and fast.
12 hours ago
0.5 mi 0.9 km
Rocky's Ride
Frisco, CO
0.5 mi 0.9 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 days ago
1.7 mi 2.7 km
Prospect Trail
Breckenridge, CO
1.7 mi 2.7 km Breckenridge, CO
Unknown
Update
0.8 mi 1.4 km
Hermit Placer
Breckenridge, CO
0.8 mi 1.4 km Breckenridge, CO
All Clear
Update
Dry
10 days ago
1.6 mi 2.6 km
Buzzsaw Loop
Frisco, CO
1.6 mi 2.6 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 days ago
0.9 mi 1.5 km
Buzzsaw
Frisco, CO
0.9 mi 1.5 km Frisco, CO
All Clear
Update
Dry - Nearly perfect! Dry and fast.
12 hours ago
0.6 mi 0.9 km
Olympian's Link
Silverthorne, CO
0.6 mi 0.9 km Silverthorne, CO
All Clear
Update
Dry - Nearly perfect! Dry and fast.
12 hours ago
Frisco, CO
1.6 mi 2.6 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 days ago
0.5 mi 0.9 km
Switchback
Frisco, CO
0.5 mi 0.9 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 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 - Dry all the way around
6 days ago
2.9 mi 4.7 km
Sallie Barber Road
Breckenridge, CO
2.9 mi 4.7 km Breckenridge, CO
All Clear
Update
Dry
10 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
0.9 mi 1.4 km
Granny's Trail
Keystone, CO
0.9 mi 1.4 km Keystone, CO
Unknown
Update
1.4 mi 2.2 km
Shock Hill
Breckenridge, CO
1.4 mi 2.2 km Breckenridge, CO
Unknown
Update
0.5 mi 0.7 km
Mike's Trail
Breckenridge, CO
0.5 mi 0.7 km Breckenridge, CO
All Clear
Update
Dry
17 days ago
Frisco, CO
0.5 mi 0.8 km Frisco, CO
All Clear
Update
Dry - Nearly perfect! Dry and fast.
12 hours ago
1.5 mi 2.4 km
Governor King Trail
Breckenridge, CO
1.5 mi 2.4 km Breckenridge, CO
Minor Issues
Update
Muddy, Snowy, Fallen Trees - Quite a few fallen trees. Lots of puddles/mud. Multiple short sections of snow.
10 days ago
0.5 mi 0.9 km
Balfonz Blitz
Frisco, CO
0.5 mi 0.9 km Frisco, CO
All Clear
Update
Dry - Dry all the way around
6 days ago
1.3 mi 2.0 km
Edwin Carter Trail
Breckenridge, CO
1.3 mi 2.0 km Breckenridge, CO
Unknown
Update