| Forest Trails Alliance | Nevada City | Club |
| Fort Bragg Mountain Bike Riders | Fort Bragg/Fayetteville | Club |
| Fort Rucker MTB Club | Fort Rucker | Club |
| Fort Worth BOMB | Fort Worth | Club |
| Fort Worth Mountain Bikers Association | Fort Worth | Club |
| Fort Worth Mountain Bikers' Association | Fort Worth | Club |
| Fredericksburg Area Trail Management & User Group (FATMUG) | Fredericksburg | Club |
| Fredericksburg Trails Alliance | Fredericksburg | Club |
| Friends of Arkansas Singletrack (FAST) | Northwest Arkansas | Club |
| Friends of Capitol Forest | Tumwater | Club |
| Friends of DuPont Forest (DUPONT) | Brevard | Club |
| Friends of Greensboro Parks and Recreation Foundation (FGPRF) | Greensboro | Club |
| Friends Of Nebo (FON) | Mt. Nebo, Dardanelle | Club |
| Friends of Off-Road Cycling (FORC) | Davenport | Club |
| Friends of Pathways (FOP) | Jackson Hole | Club |
| Friends of Pennyrile | Dawson Springs, KY | Club |
| Friends of the Syllamo trail | Mountain View | Club |
| Friends of Vultures Knob, INC | Wooster | Club |
| Friends of Wompatuck State Park | Hingham | Club |
| Front Rangers Juniors Cycling | Colorado Springs | Club |
| Frontier Ozark Off-Road Cyclists (FOORC) | Fort Smith | Club |
| Fully Packed | Simpsonville | Club |
| FWB Riders | Fort Leonard Wood | Club |
| Gainesville Cycling Club | Gainesville | Club |
| Gainesville SORBA | Gainesville / Chicopee Woods | Club |