Total entries: 5
| No. | Rider(s) | Bike | Sponsors |
| 59B | Honda CRF450R | Matts Cycle Center,Pro Cycles,Ed Hanes,Jeff Radley,Guy Weidman,All Phase Masonry & Chimney | |
| 72F | Honda CRF450R | Mid Ohio Honda,Wheeling Cycle Supply,Sharx Design,RNA Pro,Vesrah | |
| 76L | KTM 450 SX-F | Fun Mart Cycle Center,Motion Pro,Team Associated,Vortex,G2 Ergonomics,Decal Works,Motorcycle Superstore,Bell Helmets,Dragon Alliance,Moose Racing | |
| 77J | Kawasaki KX450F | DAO Apparel,X-Trim,Boughner Racing,MMG,Mike Raugh,Bell Helmets,Spy Optics,Answer Racing,Leatt Braces,Renthal,Pit Posse,Torc1Racing,The Nichols,John Tejahma,DeCalWorks,Saddlemen Seats | |
| 93J | Honda CRF450R | Koelsch Farm,Branda Racing,Hump Racing,Lucky Buck Mineral,Line-X,Morton Salt,Design Co,Bell Helmets,,Maxima Oils,Steren Cycle,Moto Hose,Tom Cummings,Chicago-Fabrication |
