| Estrella Trails Club | Goodyear | Club |
| Evansville Mountain Bike Association | Southwestern Indiana | Club |
| Evergreen Mountain Bike Alliance | Pacific Northwest | Club |
| Fall Area Bicyclists (FAB) | Sioux Falls | Club |
| Falls Area Singletrack (FAST) | Sioux Falls | Club |
| FAMBE | Fredericksburg | Club |
| Fargo Moorhead Trailbuilders | Fargo, Moorhead | Club |
| Fat of the Land | Tallahassee | Club |
| Fats in the Cats Bicycle Club | Lake Katrine | Club |
| FC Nemba | Fairfield County | Club |
| Fellowship of the Wheel | greater Chittenden County region | Club |
| Finger Lakes Mountain Bike Club | Upstate | Club |
| Firelands Mountain Bikers | Northern Ohio / Sandusky area | Club |
| Five Rivers Mountain Bike Club | Morristown | Club |
| Five Rivers Mountain Bike Club - SORBA | East Tenn | Club |
| Flagler Area Biking SORBA | Palm Coast | Club |
| Flagstaff Biking Organization (FBO) | Flagstaff | Club |
| Flathead Fat Tires | Northwest Montana | Club |
| Flint River Mountain Bike Association | Albany | Club |
| Florida Bicycle Association | Longwood | Club |
| Florida BOMB | | Club |
| Folsom-Auburn Trail Riders Action Coalition (FATRAC) | Auburn | Club |
| FooMTB Trail Partners | Albuquerque | Club |
| Foothill Trail Hounds | Jackson | Club |
| Foothills 50's | | |