Total entries: 43
| No. | Rider(s) | Bike | Sponsors |
| 1 | Honda CRF450R | Parkinson Brothers Racing,Pro One Industries,Armbruster Racing,Motorcycles Superstore.com,Bell Helmets,H&N Wazee,W.P.C.,Jemco,Topar Racing,Durelle Racing,Boughner Racing,Saddlemen,Crank Works,Evans Coolant,Mike Stauffer,Ron Hamp,Craig Pickett | |
| 14M | Honda CRF450R | Schenk Racing,Columbia River Honda,YSR,Bell Helmets,Motorcycle Superstore,That Girl,Fly Racing | |
| 14Z | Kawasaki KX450F | Onsite Racing,Joe Schwieger Custom Metal Works,Gene Fitzsimmons,Filter Works,Vertex Pistons,Hot Cams,Hot Rods,Pivot Works,Answer Racing,Vortex Racing,Acerbis USA,Leatt Brace,Race Tech,Spy,The X Brand,Moto Pro Graphics,Pro Taper,Engine Ice,Hinson Clutch | |
| 16Y | Honda CRF450R | Mike Dunn Racing,Toby B,Karaoke Sound Company,Go to Guy 831 | |
| 17Y | Honda CRF450R | Kevin Smith Racing,Paco 108,Catalyst Reaction Tuning,Kibblewhite,AXO,Saddlemen Seats,Sunoco Fuels,Sparkplugs.com,K&N,Bell Helmets,Motorcycle Superstore,Arlen Ness,Oakley Goggles,Spider Grips,Scotts Performance,Cometic,Synergy Seals,Sprocket Specialists | |
| 18M | Honda CRF450R | Kirkland Racing,Pro1racingheads.com,Motorcycle Super Store,Bell,AXO,Urban Custom Bikes,Short Block Charles,R.A.S.E,Light Shoe,Motoconcepts,Secret To Speed,Chicken Hawk Tire,Motorcycle Assessorie Shop,Maxxima Racing Oils,Motion Pro,Moto Graphic,G2 Ergonomics,Liberty Tire,Moto Optics,Gaerne Boot Co,Allsport,K&N Air Filters,Pruczinski Family,Len Racing | |
| 20M | Honda CRF450R | Ride Motorsports,Spy Optics,Brittany Anderson,Gary Beach | |
| 21U | Honda CRF450R | MRT,Avila Racing,Eleven 10 Mods,Vortex,Honda Generators,Speed & Strength,Maroney's Harely-Davidson,Hammer Head Designs,KMC,ESJ,Maloney Inc | |
| 21Y | Honda CRF450R | J&B Racing,Nick & Cong Nazzizi | |
| 23Y | Honda CRF450R | Thresher Communications,Hacienda Pools,Baywide Glass,Pacific Custom Fab,Mike & Anna Dobbs,Tyler Harris | |
| 23Z | Honda CRF450R | Rogers Racing,Mack Daddy Racing,Dave Zanotti,PJ1 Oils,Motion Pro,Alpinestars | |
| 24F | Honda CRF450R | J&F Construction,Woody Kyle Racing,MotorcycleSuperStore,Bell Helmets,Parkinson Bro. Racing,Alpinestars | |
| 25A | Honda CRF450R | Crosley Radio,Howerton Motorsports,DFW Honda,RLT Racing,Arai,DAO,Brain Leathers,Alpinestars,Kicker,D&D Pipes,All-Balls Racing,Motion Pro,CHCC,Saddlemen,G2 Ergo,Wright Racing,Evans,100%,RASE,RHanson,KN Filters,Weiss Racing,Wiseco,GO Pro,McElroy Packing,PMP Sprockets,Spectro,American Honda,West Coast Hotshoe,Spider Grips,Fly Racing,Designstar 3,Rod Lake | |
| 25J | Honda CRF450R | Wheels Through Time Museum, McRoberts Machine Shop, Soupy's Performance, Dave's Cycle | |
| 25L | Honda CRF450R | Interlakes Sports Center,Installation Pros,Bill Built,Motion Pro,FLy | |
| 26E | Kawasaki KX450F | Kawasaki Of Simi Valley,Chris's Cabinet Installation,JMI Steel,NSC Services,Micha Racing,ONeal MX,Mr.Hap-E Hotshoes,Jack's Vintage Cycle's | |
| 26Y | Suzuki RMZ 450 | California Towing & Transport,Vortex,Motion Pro,AXO,Jeremy Chisum | |
| 28C | Kawasaki KX450F | Fight For Dirt Track.com,Memphis Shades,Bell Helmets,Silkolene,DP Brakes,Light Shoe,Works Connection,CJ Signs,Saddlemen,K&N,Fab Master D,Ride Engineering,JMP Kawasaki,CP Carrillo,Boughner Suspension,Performance Cycle Dyno | |
| 28Z | Honda CRF450R | APF Motorcycle,Caps Power Coating,Turners Auto Wrecking,Haps Leathers,B&M Transmissions | |
| 30Z | Honda CRF450R | Rod Lake,RGR,Hooper Motorsports,Arai,Motion Pro,Russo Construction,Fox,Gene & Gail Cummings | |
| 38M | Honda CRF450R | Hunter Mfg,Bell Helmets,Tacoma Motorsports,AXo,Bell Helmets,Motorcycle Superstore,BBRP,American Supercamp,Loud Mouth MX,Works Connection,Silkolene,HRP,CP Piston, | |
| 41M | Honda CRF450R | Ride Motorsports,SOR,Gary Beach | |
| 42Z | Honda CRF450R | Unlimited Motosports,Kleen Blast,Speedzorb,Radioslot.com,Ace Transportation,A&A Racing,Riddle Racing,Muscle Milk,Cytomax,Zanotti Racing,Legend Steel Shoes,Monaco Family | |
| 44E | Honda CRF450R | Southland Racing,Fontana Radiator,Corona Motorsports | |
| 51M | Honda CRF450R | AXO Sport,Stuck on Racing Custom Graphics,Pinnacle Suspension,Ride Motorsports,Lehmann Family,Beach Family Racing | |
| 51Y | Honda CRF450R | Stockton Honda-Yamaha,Mitchells Modesto Halrey-Davidson,Gator Racing | |
| 54Z | Honda CRF450R | Southland Racing & Suspension,Aaron Colton,Pacific Tub & Tile,Saddlemen,Motion Pro,Silkolene,K&N,Blown Concepts,Axo,EKS Brand,Deft Family | |
| 58Y | Honda CRF450R | Herrera Racing,Elk Grove Cycle Center,RAB Racing, R&S,Wakula Racing,2JR,Team Chrizo | |
| 58Z | Honda CRF450R | Henry Sanchez,Raul Sanchez | |
| 59B | Honda CRF450R | Matts Cycle Center,Pro Cycles,Ed Hanes,Jeff Radley,Guy Weidman,All Phase Masonry & Chimney | |
| 66Y | Honda CRF450R | Weirbach Racing,General Engineering,Barnett,Spectro,DynoJet,K&N,Saddlemen,Motorcycle Superstore,Works Connection,White Lightning Retrievers,PMP Sprockets,Motion Pro,Spider Grips,Evans Coolant,Cheney Engineering,G2 Ergonomics,All Balls Racing,Firecoat Custom Powderworks,CP Pistons and Carillo Rods,Web Cams,Foudree's Graphics,Sunoco,Pro Wheel | |
| 70Y | Honda CRF450R | Mac Racing,Cycle Gear,Saddlemans,The Dasso's,T.S.W.,Vortex,Los Gatos Motorcyle Club,John Martin,Cascio's | |
| 74Z | Honda CRF450R | GP Sports,831 Pinnit,Southland Pro Suspension,Race Tech,EKS Brand,Shift,Motion Pro,Pod MX,Motorex,DeVol Engineering,ODI,Leatt Brace,Vortex,Ride Engineering,RK Chain,Nick Nazzisi,Rod Lake,Hooper Motorsports,Louis Canepa | |
| 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 | |
| 81Z | Honda CRF450R | TCR, Stockton Moto, AXO, Stockton Honda Yamaha | |
| 90M | Suzuki RMZ 450 | Colbert Powersports,Southland Racing,Motorcycle Superstore,Bell Helmets,Dumonde Tech Oil,Spider Grips,Wiseco,EVS,Moto Concepts,Vortex,Light Shoe,Eye Consultants | |
| 92Y | Honda CRF450R | Intents Racing, Arai, Beg Borrow or Steal | |
| 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 | |
| 94B | Honda CRF450R | Waters Auto Body,Racing,RLJ Racing,Motion Pro,K&N Filters,Bell Helmets,Motorcyclesuperstore.com,Vortex,Hinson Racing,Five Star Steel Fabrication,AXO,Evans Coolant,Ride Academy,KC Cycle,Built Clothing Ride 100%,Leo Vince,Brian Newman Motorcports,Silkolene,JR 43,RK/Excel,Full Spectrum Batteries | |
| 95Z | Honda CRF450R | RGR,DC-10,Tannahill Racing,Arai,Saddlemen,Motion Pro,AXO | |
| 96B | Yamaha YZ 450F | Sunnyside Cycle,Yamaha Motors,Arai,DRD,Motul,Applied Business System,Alpinestar,100% goggles,REV-It,DP Brakes,Motion Pro,RK Chain,K&N Filters,Dynotech Research,RLJ Engines,Racer Tape,DC Enterprise,Zoladz Const,Oury Grips,East Coast Tire & Wheels,TOp Gun Const | |
| 99Y | Honda CRF450R | Stockton Moto,Spy,Arai,Josh Chisum |
