| Pos. | No. | Rider Name | Hometown | Machine | Sponsors |
| 1 | 11 | JIMMY BUTTON | SCOTTSDALE, AZ | YAM | Chaparral / Yamaha Racing |
| 2 | 10 | RYAN HUGHES | TEMECULA, CA | KAW | Kawasaki Motors Corp. USA |
| 3 | 22 | TIMMY M FERRY | LARGO, FL | YAM | Noleen / Thor / K2 Bike / Klotz / Bridgestone / Wiseco / SunStar / Throttle Jockey / Acerbis / NGK / VP / Regina / Motion Pro / Hinson / Brandon Yamaha |
| 4 | 34 | ANTHONY P AMARADIO | TEMECULA, CA | YAM | Dirt Squirt / Race Tech / Motorex / Pirelli / Spy / AGV / Prex |
| 5 | 81 | JASON W THOMAS | MELROSE, FL | KAW | Streits Motorsports / RPI Racing / Thor / Arnette / FMF / Pro-Action / EMI / Alpine Stars / Wiseco / So-Cal / EVS / Sunstar |
| 6 | 79 | YOSHITAKA ATSUTA | JAPAN, | HON | GFI / Goat Eyewear / Apple / One |
| 7 | 195 | BILLY MERCIER | , | KAW | KSU / TRE / Oneal |
| 8 | 45 | ROBBIE SKAGGS | LAWRENCE, KS | YAM | TMR / Lemonds Yamaha / Dunlop / MSR / Scott / Tsubaki / Shoei / Pro Art Works / Braking / Renthal / CTi / Goat / Twin Air / Red Line Oil / Simple |
| 9 | 69 | PEDRO GONZALEZ | MEXICO, | KAW | Kawasaki Mexico / PG Racing |
| 10 | 88 | TY BIRDWELL | WARRENTON, OR | KAW | Extreme / Bell / Smith / Acerbis / Pirelli / Maxima / FMF / Alpinestars / Renthal / Sunstar / Pro's Choice |
| 11 | 209 | BILLY M BINCKLEY | WOODINVILLE, WA | YAM | Lynnwood Yamaha / FMF / O'Neal / Aurora Engineering / Scott / Renthal / White Knuckle Grips / Air Placed Concrete / Jak Bakz |
| 12 | 841 | SCOTT PINSON | PELL CITY, AL | SUZ | Pro Circuit / Oakley / Fox |
| 13 | 211 | STEVE DREW | MURRIETA, CA | KTM | North Country Yamaha / KTM / Thor / Goat / All Pro-MX Training / Wiseco / TwinAir / Boyesen / FMF |
| 14 | 78 | PAT F FOSTER | BISHOP, CA | KAW | Tom Morgan Racing / Dunlop / MSR / Bell / Applied / Axcel / Wiseco Piston / White Brothers / N-Style / Smith / Pro Taper / VSK / ZLT / CTi |
| 15 | 61 | RYAN W TERLECKI | SALEM, OR | SUZ | Throttle Jockey / Dunlop / FMF / JT Racing / Bell Helmets / Red line Oil / Washougal MX / Tom Morgan Racing / Renthal / Twin Air / Ampersand Micro Fuel Clothing / Acerbis / Roseburg Suzuki |
| 16 | 105 | MIKE ULRICH | HUNTINGTON BEACH, CA | HON | AXO / Renthal / Gauge Clothing / Duffs Shoes / Motion Pro / Split Fire Spark Plugs / FMF / Unifilters / Dap Designs / KAL-GARD Oil / Acerbis / SoCal / Applied Racing / CTI / IMS / Redline / Ceet / Lunde Racing / CzechTech |
| 17 | 681 | ANGELO INGRANDE | SAN DIEGO, CA | SUZ | Team Alba / SMP / FMF / Precision Concepts / One Industries / Braking |
| 18 | 727 | JOHN R SEREIKA JR | NORCO, CA | YAM | IMS / LA Sleeve / EVS / Straight Edge / Zing / VP |
| 19 | 413 | TRAVIS J GAGE | SNOHOMISH, WA | SUZ | Dunlop / FMF / PC Racing / White Knuckle Grips / Works Connection / PBI Sprockets |
| 20 | 175 | BRANDON ROBERTS | ROANOKE, IL | KAW | Tuf Racing / Pro Circuit / Sinisalo / Smith / Pros Choice / Rental / Flyin Kolors / Stamina / Applied / Hinson / CTi |
| 21 | 225 | SHAWN E MACDONALD | ROCKLIN, CA | SUZ | Seattle Cycle Center / Oneal / Goat |
| 22 | 74 | AUSTIN M SQUIRES | NEWPORT, RI | HON | SMT Enterprise / Bel-Ray / Answer / Pro Circuit / Throttle Jockey / C-Cycle Suspension / Smith |
| Pos. | No. | Rider Name | Hometown | Machine | Sponsors |
| 1 | 103 | SEBASTIEN TORTELLI | FRANCE, | KAW | Kawasaki Motors Corp. USA |
| 2 | 24 | PHIL LAWRENCE | MENIFEE, CA | KAW | self |
| 3 | 917 | FREDERIC BOLLE | FRANCE, | HON | American Honda Motor Co., Inc / Fox |
| 4 | 72 | JEFF DEMENT | HUMBLE, TX | YAM | 2 Xtreme Performance International |
| 5 | 54 | TAKESHI KOIKEDA | JAPAN, | YAM | Yam Japan / Holley Racing / Bridgestone / Arai / RK Chain / Oneal / PJ1 / N-Style / Uni / Sunstar / Scott |
| 6 | 11 | JIMMY BUTTON | SCOTTSDALE, AZ | YAM | Chaparral / Yamaha Racing |
| 7 | 195 | BILLY MERCIER | , | KAW | KSU / TRE / Oneal |
| 8 | 209 | BILLY M BINCKLEY | WOODINVILLE, WA | YAM | Lynnwood Yamaha / FMF / O'Neal / Aurora Engineering / Scott / Renthal / White Knuckle Grips / Air Placed Concrete / Jak Bakz |
| 9 | 78 | PAT F FOSTER | BISHOP, CA | KAW | Tom Morgan Racing / Dunlop / MSR / Bell / Applied / Axcel / Wiseco Piston / White Brothers / N-Style / Smith / Pro Taper / VSK / ZLT / CTi |
| 10 | 74 | AUSTIN M SQUIRES | NEWPORT, RI | HON | SMT Enterprise / Bel-Ray / Answer / Pro Circuit / Throttle Jockey / C-Cycle Suspension / Smith |
| 11 | 61 | RYAN W TERLECKI | SALEM, OR | SUZ | Throttle Jockey / Dunlop / FMF / JT Racing / Bell Helmets / Red line Oil / Washougal MX / Tom Morgan Racing / Renthal / Twin Air / Ampersand Micro Fuel Clothing / Acerbis / Roseburg Suzuki |
| 12 | 88 | TY BIRDWELL | WARRENTON, OR | KAW | Extreme / Bell / Smith / Acerbis / Pirelli / Maxima / FMF / Alpinestars / Renthal / Sunstar / Pro's Choice |
| 13 | 727 | JOHN R SEREIKA JR | NORCO, CA | YAM | IMS / LA Sleeve / EVS / Straight Edge / Zing / VP |
| 14 | 413 | TRAVIS J GAGE | SNOHOMISH, WA | SUZ | Dunlop / FMF / PC Racing / White Knuckle Grips / Works Connection / PBI Sprockets |
| 15 | 225 | SHAWN E MACDONALD | ROCKLIN, CA | SUZ | Seattle Cycle Center / Oneal / Goat |
| 16 | 45 | ROBBIE SKAGGS | LAWRENCE, KS | YAM | TMR / Lemonds Yamaha / Dunlop / MSR / Scott / Tsubaki / Shoei / Pro Art Works / Braking / Renthal / CTi / Goat / Twin Air / Red Line Oil / Simple |
| Pos. | No. | Rider Name | Hometown | Machine | Sponsors |
| 1 | 15 | DAMON W HUFFMAN | ACTON, CA | KAW | Kawasaki Motors Corp., U.S.A. |
| 2 | 5 | MIKE LAROCCO | SOUTH BEND, IN | HON | Factory Connection / Jack in the Box / O'Neal / Scott / Bell / Gaerne / If Design / Motolids / UFO / Wiseco / Klotz / Cometic / EBC / Renthal / Shockware / V-Force / Pirelli / Cycra / White Powerfilters / E-line / Ringers Resource / Atomic 22 / Works Connection / Bills Pipes / Hinson |
| 3 | 100 | MICHAEL L BROWN | PINEY FLATS, TN | HON | Honda of Troy / Sinisalo / Oakley / Dunlop / Bell / Alpinestar |
| 4 | 13 | MICHAEL R CRAIG | LAKESIDE, CA | HON | Honda of Troy / Sinisalo / Alpinestars / Oakley / Bell / Dunlop / Renthal / Pro Circuit / Acerbis |
| 5 | 77 | LANCE SMAIL | FEDERAL WAY, WA | KTM | KTM / Shell Oil / Sunstar / WP / Performance Friction / FMF / Dunlop / Tsubaki / Boyesen / Extreme / Smith / Alpinestar |
| 6 | 10 | RYAN HUGHES | TEMECULA, CA | KAW | Kawasaki Motors Corp. USA |
| 7 | 79 | YOSHITAKA ATSUTA | JAPAN, | HON | GFI / Goat Eyewear / Apple / One |
| 8 | 34 | ANTHONY P AMARADIO | TEMECULA, CA | YAM | Dirt Squirt / Race Tech / Motorex / Pirelli / Spy / AGV / Prex |
| 9 | 81 | JASON W THOMAS | MELROSE, FL | KAW | Streits Motorsports / RPI Racing / Thor / Arnette / FMF / Pro-Action / EMI / Alpine Stars / Wiseco / So-Cal / EVS / Sunstar |
| 10 | 22 | TIMMY M FERRY | LARGO, FL | YAM | Noleen / Thor / K2 Bike / Klotz / Bridgestone / Wiseco / SunStar / Throttle Jockey / Acerbis / NGK / VP / Regina / Motion Pro / Hinson / Brandon Yamaha |
| 11 | 211 | STEVE DREW | MURRIETA, CA | KTM | North Country Yamaha / KTM / Thor / Goat / All Pro-MX Training / Wiseco / TwinAir / Boyesen / FMF |
| 12 | 175 | BRANDON ROBERTS | ROANOKE, IL | KAW | Tuf Racing / Pro Circuit / Sinisalo / Smith / Pros Choice / Rental / Flyin Kolors / Stamina / Applied / Hinson / CTi |
| 13 | 105 | MIKE ULRICH | HUNTINGTON BEACH, CA | HON | AXO / Renthal / Gauge Clothing / Duffs Shoes / Motion Pro / Split Fire Spark Plugs / FMF / Unifilters / Dap Designs / KAL-GARD Oil / Acerbis / SoCal / Applied Racing / CTI / IMS / Redline / Ceet / Lunde Racing / CzechTech |
| 14 | 841 | SCOTT PINSON | PELL CITY, AL | SUZ | Pro Circuit / Oakley / Fox |
| 15 | 69 | PEDRO GONZALEZ | MEXICO, | KAW | Kawasaki Mexico / PG Racing |
| 16 | 681 | ANGELO INGRANDE | SAN DIEGO, CA | SUZ | Team Alba / SMP / FMF / Precision Concepts / One Industries / Braking |
| Pos. | No. | Rider Name | Hometown | Machine | Sponsors |
| 1 | 16 | MICKAEL PICHON | CORONA, CA | SUZ | American Suzuki Motor Corp. |
| 2 | 4 | LARRY WARD | FLORENCE, SC | SUZ | American Suzuki Motor Corp. |
| 3 | 1 | JEFF EMIG | RIVERSIDE, CA | KAW | Kawasaki Motors Corp. USA |
| 4 | 7 | GREG ALBERTYN | SOUTH AFRICA, | SUZ | American Suzuki Motor Corp. |
| 5 | 103 | SEBASTIEN TORTELLI | FRANCE, | KAW | Kawasaki Motors Corp. USA |
| 6 | 917 | FREDERIC BOLLE | FRANCE, | HON | American Honda Motor Co., Inc / Fox |
| 7 | 11 | JIMMY BUTTON | SCOTTSDALE, AZ | YAM | Chaparral / Yamaha Racing |
| 8 | 54 | TAKESHI KOIKEDA | JAPAN, | YAM | Yam Japan / Holley Racing / Bridgestone / Arai / RK Chain / Oneal / PJ1 / N-Style / Uni / Sunstar / Scott |
| 9 | 24 | PHIL LAWRENCE | MENIFEE, CA | KAW | self |
| 10 | 88 | TY BIRDWELL | WARRENTON, OR | KAW | Extreme / Bell / Smith / Acerbis / Pirelli / Maxima / FMF / Alpinestars / Renthal / Sunstar / Pro's Choice |
| 11 | 195 | BILLY MERCIER | , | KAW | KSU / TRE / Oneal |
| 12 | 78 | PAT F FOSTER | BISHOP, CA | KAW | Tom Morgan Racing / Dunlop / MSR / Bell / Applied / Axcel / Wiseco Piston / White Brothers / N-Style / Smith / Pro Taper / VSK / ZLT / CTi |
| 13 | 209 | BILLY M BINCKLEY | WOODINVILLE, WA | YAM | Lynnwood Yamaha / FMF / O'Neal / Aurora Engineering / Scott / Renthal / White Knuckle Grips / Air Placed Concrete / Jak Bakz |
| 14 | 74 | AUSTIN M SQUIRES | NEWPORT, RI | HON | SMT Enterprise / Bel-Ray / Answer / Pro Circuit / Throttle Jockey / C-Cycle Suspension / Smith |
| 15 | 45 | ROBBIE SKAGGS | LAWRENCE, KS | YAM | TMR / Lemonds Yamaha / Dunlop / MSR / Scott / Tsubaki / Shoei / Pro Art Works / Braking / Renthal / CTi / Goat / Twin Air / Red Line Oil / Simple |
| 16 | 727 | JOHN R SEREIKA JR | NORCO, CA | YAM | IMS / LA Sleeve / EVS / Straight Edge / Zing / VP |
| 17 | 61 | RYAN W TERLECKI | SALEM, OR | SUZ | Throttle Jockey / Dunlop / FMF / JT Racing / Bell Helmets / Red line Oil / Washougal MX / Tom Morgan Racing / Renthal / Twin Air / Ampersand Micro Fuel Clothing / Acerbis / Roseburg Suzuki |
| 18 | 225 | SHAWN E MACDONALD | ROCKLIN, CA | SUZ | Seattle Cycle Center / Oneal / Goat |
| 19 | 413 | TRAVIS J GAGE | SNOHOMISH, WA | SUZ | Dunlop / FMF / PC Racing / White Knuckle Grips / Works Connection / PBI Sprockets |
| 20 | 72 | JEFF DEMENT | HUMBLE, TX | YAM | 2 Xtreme Performance International |
| Pos. | No. | Rider Name | Hometown | Machine | Sponsors |
| 1 | 3 | EZRA LUSK | BAINBRIDGE, GA | HON | American Honda Motor Co., Inc. / Fox |
| 2 | 19 | DOUG A HENRY | OXFORD, CT | YAM | Yamaha Motor Corp. USA / Fox / Bridgestone |
| 3 | 8 | KEVIN W WINDHAM | BATON ROUGE, LA | YAM | Yamaha Motor Corp. USA / Fox / Bridgestone |
| 4 | 2 | JEREMY A MCGRATH | MENIFEE, CA | YAM | Chaparral / Yamaha Racing |
| 5 | 5 | MIKE LAROCCO | SOUTH BEND, IN | HON | Factory Connection / Jack in the Box / O'Neal / Scott / Bell / Gaerne / If Design / Motolids / UFO / Wiseco / Klotz / Cometic / EBC / Renthal / Shockware / V-Force / Pirelli / Cycra / White Powerfilters / E-line / Ringers Resource / Atomic 22 / Works Connection / Bills Pipes / Hinson |
| 6 | 100 | MICHAEL L BROWN | PINEY FLATS, TN | HON | Honda of Troy / Sinisalo / Oakley / Dunlop / Bell / Alpinestar |
| 7 | 13 | MICHAEL R CRAIG | LAKESIDE, CA | HON | Honda of Troy / Sinisalo / Alpinestars / Oakley / Bell / Dunlop / Renthal / Pro Circuit / Acerbis |
| 8 | 15 | DAMON W HUFFMAN | ACTON, CA | KAW | Kawasaki Motors Corp., U.S.A. |
| 9 | 77 | LANCE SMAIL | FEDERAL WAY, WA | KTM | KTM / Shell Oil / Sunstar / WP / Performance Friction / FMF / Dunlop / Tsubaki / Boyesen / Extreme / Smith / Alpinestar |
| 10 | 79 | YOSHITAKA ATSUTA | JAPAN, | HON | GFI / Goat Eyewear / Apple / One |
| 11 | 22 | TIMMY M FERRY | LARGO, FL | YAM | Noleen / Thor / K2 Bike / Klotz / Bridgestone / Wiseco / SunStar / Throttle Jockey / Acerbis / NGK / VP / Regina / Motion Pro / Hinson / Brandon Yamaha |
| 12 | 81 | JASON W THOMAS | MELROSE, FL | KAW | Streits Motorsports / RPI Racing / Thor / Arnette / FMF / Pro-Action / EMI / Alpine Stars / Wiseco / So-Cal / EVS / Sunstar |
| 13 | 69 | PEDRO GONZALEZ | MEXICO, | KAW | Kawasaki Mexico / PG Racing |
| 14 | 10 | RYAN HUGHES | TEMECULA, CA | KAW | Kawasaki Motors Corp. USA |
| 15 | 34 | ANTHONY P AMARADIO | TEMECULA, CA | YAM | Dirt Squirt / Race Tech / Motorex / Pirelli / Spy / AGV / Prex |
| 16 | 211 | STEVE DREW | MURRIETA, CA | KTM | North Country Yamaha / KTM / Thor / Goat / All Pro-MX Training / Wiseco / TwinAir / Boyesen / FMF |
| 17 | 841 | SCOTT PINSON | PELL CITY, AL | SUZ | Pro Circuit / Oakley / Fox |
| 18 | 105 | MIKE ULRICH | HUNTINGTON BEACH, CA | HON | AXO / Renthal / Gauge Clothing / Duffs Shoes / Motion Pro / Split Fire Spark Plugs / FMF / Unifilters / Dap Designs / KAL-GARD Oil / Acerbis / SoCal / Applied Racing / CTI / IMS / Redline / Ceet / Lunde Racing / CzechTech |
| 19 | 681 | ANGELO INGRANDE | SAN DIEGO, CA | SUZ | Team Alba / SMP / FMF / Precision Concepts / One Industries / Braking |
| 20 | 175 | BRANDON ROBERTS | ROANOKE, IL | KAW | Tuf Racing / Pro Circuit / Sinisalo / Smith / Pros Choice / Rental / Flyin Kolors / Stamina / Applied / Hinson / CTi |
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