Total entries: 54
| No. | Rider(s) | Bike | Sponsors |
| 10J | Honda CRF450R | Parkinson Brothers Racing,Performance Cycle & Dyno,MDR,Brent Armbruster,Wazee,H&N Wind,SSR,Durelle,G2 Ergonomics,Legue,Fluidyne,CP Pistons,Carrillo | |
| 10P | Honda CRF450R | Charlies cycle Supply,Parts Unlimited | |
| 11L | Honda CRF450R | Diesel Minnesota,Anderson Bros Racing,Larsons Cycle,Bell,Motorcycle Superstore,General Engineering,Supertrapp,Randys Toy Repair | |
| 12L | Honda CRF450R | Shoe Racing,Pat O'Brien,Sportland Motorsports,Good Racing,Baley's Heat & Air,Kathy Auto Body,Falbe welding,bob Berry Racing,DCD,Go Moto,M3 Racing,High Point Sales,EME,Bell,Fly,Motorcycle Superstore,Durelle Racing,Saddlemen | |
| 13P | Honda CRF450R | Lowder Xtreme Motorsports | |
| 14L | Kawasaki KX450F | Don's Kawasaki,Interlakes Sports Center,Doug Koch,Decal Works | |
| 14P | Honda CRF450R | James Hart Lemonds,Xtreme Team Motorsports | |
| 17L | Honda CRF450R | Beals Sheet Metal,Mason City Honda,One Indusries,100% Goggles,SIDI Boots,American Pattern,Rich King,Uncle Dave | |
| 18M | Yamaha YZ 450F | Kirland Racing,Pro 1 Racing Heads,Axo,Bell,Motorcycle Superstore,Urban Customs Bikes,Lightshoe,Motorcycle Accessories Shop,Shortblock Charlie,Crankworks, Prucinski,Moto Concepts,Allsport,Libertive,Lens Racing,Moto Graphics,Durelle Racing | |
| 18N | Honda CRF450R | Texas Truck Works,Tex Wood Shows,Absolute Cabinets and Design | |
| 19L | Honda CRF450R | Midwest CNC,Powerbar,Diamond Industries,Freegun Underwear,Performance Cycle & Dyno,Al Muth Harley-Davidson,Axcel Sports,Motorex,K&N,RaceTech,Hinson,Decal Works,Even Family,Wright Family | |
| 20M | Honda CRF450R | Spy Optics,Vince & Deniese Holt,Rice Motorsports Sor Racing,Pinicle Suspention,Gary Davis,Brittany,JD Beach,One Industries | |
| 21L | Honda CRF450R | Diesel Minnesota,Anderson Bros Motorsports,Motorcyclesuperstore.com,Larsons Cycle,Motorex,Acerbis,Engine Ice,Supertrapp,Randys Toy Repair | |
| 22A | Honda CRF450R | Blackman Cycle,KBS,Scorpin Eto,Harvat Racin,Lcatt,Race 4 Awarness,CSJ Graphics | |
| 23P | Honda CRF450R | Cassidy Racing,Ghetto Racing,Motosports.com,Illinois Harley-Davidson | |
| 25L | Honda CRF450R | Matrix Concepts,MSR Instalktion Pros,Interlake Sports Center | |
| 27L | Yamaha YZ 450F | Palace Moto Sports Yamaha,Paulson Air,Hohn Trucking,Underground Solutions,Sign Pro,Pro 1 Heads,Lightshoe,Durell Racing Products | |
| 27P | Yamaha YZ 450F | Rob Pearson Motorsports | |
| 28C | Honda CRF450R | Mack Daddy Racing,Performance Cycle & Dyno,Fight for Dirt Track,Bell Helmets,Silkolene,DP Brakes, LIghtshoe,Works Connection,CJ Signs,Saddlemen,Ride Engineering,CP/Carrillo,Fab Master D | |
| 28P | Honda CRF450R | Hogwrench Racing,DCT/Precision,Rekluse Clutches,Royce Taylor Racing,DPC Racing,Hardy Racing,Powermadd,Metro Racing,Motorcycles Superstore,Micro Blue Racing,Cheney Racing,Galesburg Anesthesiologists,Movin Mike Caves,R&K Cycles,Tuscola Motorsports,Amsoil,Southard Enterprises,Jeremy Leonard,Tamra & Nevaeh | |
| 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 | |
| 32P | Honda CRF450R | Fat Boy Racing,FRA,WKR,Hart Racing,Arai,Jakes World Design | |
| 33P | Honda CRF450R | Camp D Adventures,Attitude Designs,Bull's Eye Racing,Mayer Family,Ultra Weld | |
| 34F | Honda CRF450R | Ken Hummel,Mike Butler Racing,western Hills Honda,John Butler,Double Dick Bandits | |
| 35S | Honda CRF450R | Scott Power Sports,Soumy Helmets,Vortex | |
| 37A | Honda CRF450R | Powercomm Construction,HP by Brett Fredell,Access Mediz Lab,Double S Enterprise | |
| 37L | Yamaha YZ 450F | Palace Moto Sports Yamaha,Paulson Air,Hohn Trucking,RTO Trucking,Steak-n-More,Sign Pro,Pro 1 Heads,LIghtshoe,Durell Racing Products, | |
| 39B | Honda CRF450R | Top Gun Performance,Tottally Tools,Wadco Racing | |
| 41P | Honda CRF450R | Cassidy Racing,WKR,Illinois Harley-Davidson,Hot Cams,Hot Rods,Cylinder Works,Motosport.com,Motoracing | |
| 42M | Honda CRF450R | Spencer Aircraft,Southbound Honda,Fusion Graphixx | |
| 46G | Honda CRF450R | Bell Helmets,Motorcycle Superstore,One,Industries,Kloose and Assoc.,Black Hills Harley,Addidas Gatorade,Thirtyfour Racing,Jeremy DeRuyter | |
| 47J | Honda CRF450R | Big Al's,River City Roofing,One East Bontique,O'Neal,Leatt,Pilot,Saddlemen,GCR | |
| 49L | Kawasaki KX450F | The Engelhart Center | |
| 50A | KTM 450 SX-F | Bromley Brothers KTM Racing,Metro,Motion PRo,Tech-Care,Saddlemen,Kal Guard,Nicely Motorsports,Bromley Motorcycle Sales,SBR | |
| 53L | KTM 450 SX-F | Rich King Racing,Fun Mart Cycle Center,Beals Sheet Metal,Reed's Const.,MotorcycleSuperstore.com,Bell Helmets,MSR,Pro Taper,Gaerne,XBrand Goggles,EVS,FMF,Cycra,Spectro,Matrix Concepts,Flow Archy Designs,Thede Photography | |
| 54A | Honda CRF450R | Bob Weirbach Race Team,Jemco,Barnett,Cometic,Motion Pro,Cheney Eng,Wiseco,Stan Shaw Ottumwa Motorsports,Bromley Brothers Racing | |
| 55A | Honda CRF450R | Montgomeryville Cycle Center,Bob Weirbach Racing,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 | |
| 55L | Honda CRF450R | Kim King Inc.,Bones Cycle,Black Bird Motorsports,TNT,D&D Racing | |
| 59B | Honda CRF450R | Matts Cycle,Ed Hanes | |
| 59P | Yamaha YZ 450F | Espy Suspension,EVS Sports,CP Pistons,Renthal,Gearne Boots,O'Neal Gear,Hinson Clutch | |
| 66Y | Honda CRF450R | Weirbach Racing,General Engineering,Barnett,Spectro Oil,Dyno Jet,K&N,Saddlemen,TNT Honda | |
| 67A | Kawasaki KX450F | The Spa & Pool Place,Merlin Industries,Pentair Water,Connelly Remodeling,RLT Racing,Don's Kawasaki,Vortex Racing,Scott Powersports,Hinson Clutch Components,Steel Optics,Go Pro,Prudential Homesale Sevice Group | |
| 67P | KTM 450 SX-F | Walter Racing, AXO, Zycles | |
| 69C | Kawasaki KX450F | Team 95,Bell Helmets,Teknix Leathers,Fly Racing,Moto 1,American Supercamp,Victory Circle Graphics,Impact Saftey Armor,Motion Pro,Vortex Racing,Sidi,Steve Nace Racing,James Hart | |
| 70L | Honda CRF450R | Bender Builders,Johnnies 66,Finish Line Engines,Mischlers Harely BMW,Mr & Mrs Leann,Brody & Justin Voight,Schultz Trucking | |
| 71L | Honda CRF450R | FM Ceiling and Remodeling,Treinens Trackside, Bob Weirbach Race Team,Jemco,Barnett, Mad City,Power Sports | |
| 74F | Honda CRF450R | Western Hills Honda,Ellis Racing,Double Dick Bandits,KK MC Supply's,Decal Works | |
| 74Z | Honda CRF450R | 831 Pinnit,GP Sports,Blonix,Hooper Motorsports,Shift,Eks Brand,Pod MX,Motion Pro,Hammerhead,FME,Motorex,Leatt Brace, Acerbis | |
| 76L | KTM 450 SX-F | Fun Mart,Schillers,Wheelco,Sioux Falls Trucks & Trailer,Bell,Gillespies | |
| 78J | Honda CRF450R | TCR,Craig Pickett | |
| 93J | Honda CRF450R | Hump Racing,Koelsch Farm's,Ron Branda Roger's Racing,Sponseller,Schillers Tree Service | |
| 94B | Honda CRF450R | Wells Racing,RLJ Racing,Spectro,Bell,Motorcycle Superstore,G2 Ergonomics,K&N,Motion Pro,FasDass | |
| 94L | Yamaha YZ 450F | Schillers Tree Services,Arai Helmets,Saddlemen,Motion Pro | |
| 99L | Suzuki RMZ 450 | American Garage Door,The Compound,Tri M Tunes |
