Total entries: 26
| No. | Rider(s) | Bike | Sponsors |
| 10J | Honda CRF450R | Parkinson Brothers Racing,Performance Cycle & Dyno,MDR,Brent Armbruster,Wazee,H&N Wind,D&D Exhaust,SSR,Durelle,G2 Ergonomics,Legue,Fluidyne,CP Pistons,Carrillo | |
| 16Y | Honda CRF450R | Mike Dunn,Karaoke Sounds Company,Sanchez Racers | |
| 17Y | Honda CRF450R | Arlen Ness,Bell Helmets,FMF,K&N,Saddlemen,Kibble White,Sparkplugs.com,Galfer,Spider Grips, Scotts Performance,Oakley | |
| 18M | Yamaha YZ 450F | Kirland Racing,Pro 1 Racing Heads,Axo,Bell,Motorcycle Superstore,Urban Custom Bikes,Lightshoe,Motorcycle Accessories Shop,Short Block Charlie,Crankworks,Pruczinski Family,Allsport,Liberty Tire,Lens Racing,Moto Graphic,Rase,Durelle Racing,Rekluse,G2 Ergono | |
| 21L | Honda CRF450R | Diesel Minnesota,Anderson Bros Motorsports,Motorcyclesuperstore.com,Larsons Cycle,Motorex,Acerbis,Engine Ice,Supertrapp,Randys Toy Repair | |
| 23Y | Honda CRF450R | Baywide Glass,Hacienda Pools,Arne Sign & Decal,Pacific Custom Fab,Sluggo,Raggio Racing | |
| 23Z | Honda CRF450R | Mack Daddy Racing,Rogers Racing,GFY Racing,Motion Pro,Alpinestars, PJ 1 Lube,Salddlemen | |
| 25A | Honda CRF450R | DFW Honda,RLT Racing,McElroy Packaging,Herrs,Invisible Glass,Lancaster Honda,Arai,RASE,Motion Pro,Alpinestars,CHCC,KN Filters,G2 Ergo,Spectro,Wiseco,Bob Hilbert,PMP Sprockets,Saddlemen,GoPro,ISC,Evans,Hinson,RHC,Victory Circle,D&D,All Balls,Kicker,Boughner,R.Hanson,B.Simcox,100%,West Coast Hotshoe,Matrix,Axo,Arlen Ness,Wurth,Spa&Pool Place,ER&T,Mad Hog | |
| 25Z | Honda CRF450R | PMS Motorsports,AGF,Luker Racing,Hooper Motorsports,www.dmariephotography.com,www.motorcycleangels.com,EVS | |
| 26Y | Suzuki RMZ 450 | Raized Crazy,Mothers Polish,Axo,Exs Brand,J&S Golf Cart Service,California Tow & Transport, Tommys Glass | |
| 28Z | Honda CRF450R | APF Motorcycle Salvage,Cap's Powder Coating,Turners Auto Wrecking,Bruce & Betty Barnett,B&M Transmissons | |
| 30S | Honda CRF450R | Highs Dairy Stores,Foard Racing,Carroll Branded Fuels,WKR,Ellicott City Motorsports,Boughner Suspension,Ride Academy,BCTRA.com,Triple J Racing,Sidi,Troy Lee Designs,Taylor White Racing,Shenandoah Honda,Moto Hose,Bell,Engine Ice,Ride Engnie,JBJ Racing | |
| 44E | Suzuki RMZ 450 | Southland Racing,Fontana Radiator,Pro Circuit,Corona Motorsports | |
| 51Y | Honda CRF450R | Gator Racing,Stockton Honda,Yamaha,Mitchells Modesto Harley-Davidson,TCR,Grose Racing Enginers,Clash King | |
| 54Z | Honda CRF450R | Pacific Tub & Tile,Silkolene,Saddlemen,Amped Apperal,Mach 1,RAB Racing,Southland Racing | |
| 55A | Honda CRF450R | Montgomeryville Cycle Center,REV-IT,Leathers,Penske Susp.,Motorcycle Superstore,Roy Miller Built Engines,Saddlemen Seats,Woody Kyle Racing,K&N Air Filters,Motion Pro,NHF Racing,Silkolene Lube,Nick's Precision Machine,CP Pistons,Sidi Boots,Vortex Sprockets,A&A Racing,Jemco Exhaust,Cycra Handguards,Chicken Hawk Tire,Hot Shoe by George | |
| 58Y | Honda CRF450R | Herrera Racing,ELK Grove Cycle Center,WARULA Racing,RAB Racing | |
| 58Z | Honda | Raul & Henry Sanchez | |
| 66Y | Honda CRF450R | Weirbach Racing,KDM Forestry,Frankie Morris,General Engineering,Barnett,Spectro,DynoJet,K&N,Saddlemen,White Lightning Retrievers,PMP Sprockets,Motion Pro,Spider Grips,Evans Coolant,Cheney Engineering,G2 Ergonmics,Works,CP Pistons & Carrillo Rods,Web Cams,Foudree's Graphics,Sunco,Pro Wheel,Durelle Racing,Supertrapp, | |
| 74Z | Honda CRF450R | 831 Pinnit,GP Sports,Blonix,Hooper Motorsports,Shift,Eks Brand,Pod MX,Motion Pro,Hammerhead,FMF,Motorex,Leatt Brace,Acerbis | |
| 81Z | Honda CRF450R | Stockton Moto,Stockton Honda Yamaha,AXO,Greene Construction | |
| 90M | Suzuki RMZ 450 | Colbert Power Sports,Motoconcepts,Eye Consultants,Bell Helmets,Dumond Tech,Spider Grips,Mightshoc,EVS,Fox | |
| 92Y | Kawasaki KX450F | Beg Barrow or Steal Racing,Arai,yarrow Racing,Echo Shirts | |
| 93L | Honda CRF450R | Speed & Strength,Tucker Rockey,Redbull,EBC,Freegon,Bazzaz | |
| 95Z | Honda CRF450R | RGR,DC-10,Axo,Vortex,Arai Helmets,Hap's Leathers,Black Magic Racing,Motion Pro | |
| 99Y | Honda CRF450R | SM Racing,Tami and James Learns,Mud,Spy,Arai |
