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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

51

248

5

Featured Rides: 9

16.1 mi 25.8 km
Peaks Trail
Frisco, CO
16.1 mi 25.8 km Frisco, CO
Bad / Closed
Update
Snowy - Mostly snow
9 days ago
85 
Keystone, CO
15.5 mi 25.0 km Keystone, CO
Bad / Closed
Update
Muddy, Snowy
53 days ago
69 
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
Unknown
Update
27 
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
Minor Issues
Update
Snowy, Mostly Dry, Fallen Trees: Mile 5-7 has lots of trees down and deep snow hike a bikes!
10 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
1 day ago
8.4 mi 13.6 km
Ptarmigan Peak
Silverthorne, CO
8.4 mi 13.6 km Silverthorne, CO
Unknown
Update
Frisco, CO
11.0 mi 17.6 km Frisco, CO
Unknown
Update

Trails: 51

3.3 mi 5.3 km
Lenawee
Keystone, CO
3.3 mi 5.3 km Keystone, CO
Unknown
Update
16 
0.3 mi 0.5 km
Barney Flow
Breckenridge, CO
0.3 mi 0.5 km Breckenridge, CO
All Clear
Update
Some Mud
8 days ago
16 
10.3 mi 16.5 km
Wheeler Trail
Breckenridge, CO
10.3 mi 16.5 km Breckenridge, CO
Unknown
Update
0.8 mi 1.3 km
Slalom
Breckenridge, CO
0.8 mi 1.3 km Breckenridge, CO
Unknown
Update
17 
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
Unknown
Update
Breckenridge, CO
20.1 mi 32.4 km Breckenridge, CO
Unknown
Update
13 
0.9 mi 1.5 km
Nightmare on Baldy
Breckenridge, CO
0.9 mi 1.5 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
15 
0.7 mi 1.2 km
X10U8
Breckenridge, CO
0.7 mi 1.2 km Breckenridge, CO
Minor Issues
Update
13 days ago
4.3 mi 6.9 km
Great Flume
Breckenridge, CO
4.3 mi 6.9 km Breckenridge, CO
Unknown
Update
2.8 mi 4.5 km
Red Trail
Keystone, CO
2.8 mi 4.5 km Keystone, CO
Unknown
Update
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
Minor Issues
Update
6 days ago
17 
Frisco, CO
9.6 mi 15.5 km Frisco, CO
Unknown
Update
11 
0.4 mi 0.7 km
Moonstone Trail
Breckenridge, CO
0.4 mi 0.7 km Breckenridge, 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
4 days ago
0.6 mi 0.9 km
Mount Royal Trail
Frisco, CO
0.6 mi 0.9 km Frisco, CO
Unknown
Update
Keystone, CO
1.4 mi 2.3 km Keystone, CO
Unknown
Update
Dillon, CO
3.8 mi 6.1 km Dillon, CO
Minor Issues
Update
Mostly Dry, Fallen Trees - Some snow
10 days ago
1.3 mi 2.2 km
Faith Trail #951B
Frisco, CO
1.3 mi 2.2 km Frisco, CO
Unknown
Update
3.8 mi 6.1 km
Soda Creek Trail
Keystone, CO
3.8 mi 6.1 km Keystone, CO
Minor Issues
Update
Muddy
25 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
Bad / Closed
Update
Fallen Trees
3 days ago
2.6 mi 4.2 km
Soda Ridge Trail
Keystone, CO
2.6 mi 4.2 km Keystone, CO
Unknown
Update
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
Bad / Closed
Update
Fallen Trees - A huge number of fallen trees make the trail impassable.
3 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
4 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
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
Bad / Closed
Update
Fallen Trees
3 days ago
0.9 mi 1.5 km
Buzzsaw
Frisco, CO
0.9 mi 1.5 km Frisco, CO
All Clear
Update
Dry
4 days ago
0.5 mi 0.9 km
Rocky's Ride
Frisco, CO
0.5 mi 0.9 km Frisco, CO
Unknown
Update
0.4 mi 0.7 km
Riechl's Retreat
Silverthorne, CO
0.4 mi 0.7 km Silverthorne, CO
All Clear
Update
Dry
4 days ago
1.7 mi 2.7 km
Prospect Trail
Breckenridge, CO
1.7 mi 2.7 km Breckenridge, CO
Minor Issues
Update
Snowy - Snow/ice but no problem getting to the top on a fat bike
67 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
Unknown
Update
2.9 mi 4.6 km
CO Rd 176
Keystone, CO
2.9 mi 4.6 km Keystone, CO
Bad / Closed
Update
Snowy
22 days ago
0.5 mi 0.9 km
Switchback
Frisco, CO
0.5 mi 0.9 km Frisco, CO
All Clear
Update
Dry
4 days ago
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
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