| Pos. | No. | Rider Name | Hometown | Machine | Sponsors |
| 1 | 49 | MICHAEL A BRANDES | QUAIL VALLEY, CA | SUZ | Primal Impulse / Suzuki / Bill's Pipes / Shift / Shoei / Scott / Alpine Star | |
| 2 | 109 | ALESSIO CHIODI | WILLOW GROVE, PA | HUS | Husqvarna / Bell / UFO / Alpinestars / Dunlop / Marzocchi / Sachs / Donna Karan New York Apparel / Cagiva USA | |
| 3 | 198 | ISAIAH V JOHNSON | ALBUQUERQUE, NM | YAM | Boulder Yamaha / FMF / Answer / Arnette / Applied / Sunstar / EVS / WorkConnectionZLT / Bridgestone / NGK / Motul | |
| 4 | 188 | ANDY R HARRINGTON | EL CAJON, CA | YAM | Team Motoworld of El Cajon / One Industries / Thor / Smith / Renthal / FMF / Alpinestars / Acerbis / Galfer Brakes / Pirelli Tires / JSP / NJS / Spinelli Auto Sales | |
| 5 | 690 | KENNY L BARTRAM | STILLWATER, OK | KTM | KTM / K-Style / Arai / Alpinestar / Applied / Pro Taper / Goat / FMF | |
| 6 | 351 | JASON G PARTRIDGE | LAS VEGAS, NV | SUZ | Team Suzuki Sport / FOX / FMF / Dunlop / Spy / Reef / Hinson Clutches / Mike TayloDesigns / Works Connections / FTM / PJ1 | |
| 7 | 128 | STEVE ANDRICH | PERRIS, CA | YAM | Andrich Racing / Shock Therapy / Thor / One-Industries / Alpinestars / Wiseco | |
| 8 | 874 | HAROLD H HAGEMAN | HOLLISTER, CA | SUZ | FMF / Bridgestone / USA Scott / White Brothers / Fox through another pit stop Hollister CA / Big Bird Supension / Seaside CA Yamaha / Suzuki Sports Center / Silkolene | |
| 9 | 669 | GIO A TEDESCO | ALBUQUERQUE, NM | KTM | Fox / Scott / Tsubaki / One Industries / NCY Yamaha | |
| 10 | 118 | DOUG PARSONS | COLTON, CA | SUZ | Arnette / Pro Circuit / One Ind / Streight Edge / VP / Dunlop / Renthal | |
| 11 | 727 | JOHN R SEREIKA JR | NORCO, CA | HON | IMS / John Burr Cycles / Alpinestars / Straight Edge / Dirt Digits / Elf / Motion Pro / Emig Racing / Pirelli / VP Fuels | |
| 12 | 136 | DANIEL M BLAIR | LODI, CA | YAM | Mach 1 Motorsports / FMF Racing / Bell Helmets / MX4 / Answer Racing / Spectro Oil / Bell Helmets / Ferodo Brakes / Scott Goggles / EVS Sports Protection | |
| 13 | 679 | JASON D SMITH | COTTONWOOD, AZ | HON | FMF / Wiseco / Aston Racing | |
| 14 | 686 | KRIS C ROURKE | SAN MARCOS, CA | SUZ | SMP Clothing / Western Power Sports / Bel-Ray / Scott / IMS / FMF / Cirque Optics / 989 Studios / M&M Plastering / Motosports / Stan's Performance Motorcycles / Dutch Touch Tattooing & Piercing | |
| 15 | 135 | DANNY R CARLSON | SUN CITY, CA | YAM | DHP / Bills Pipes / Fox / Shoei / Nova / Fasst | |
| 16 | 717 | RONNIE CLARK | FARMINGTON, NM | YAM | Boulder Yamaha / GSMXS / Fox / Proaction / FMF / Maxima / Dunlop / Works Connection / Ceat / Shred Shed / CTI2 | |
| 17 | 985 | HAWK B WHITE | QUAIL VALLEY, CA | SUZ | Rock Oil / F and S Suzuki / Zone Clothing | |
| 18 | 97 | DAN P MOORE | YAKIMA, WA | SUZ | Sports Cycle Suzuki / Mortgage Express / Tuning By Travis / D.B.R. / Works Connection / Dumonde Tech / Wiseco / IBON / Oakley / Carbon Tech | |
| 19 | 501 | STAN SLOBODA | CANADA, ON | SUZ | International Motorcycles / Shift / Torco / Wiseco / RP3 / GK Designs / Spy / 748 Clothing / Oli's Autohouse | |
| 20 | 861 | DONOVAN MITCHELL | ORANGEVALE, CA | YAM | NCY Yamaha / AXO / Arai / FMF / Scott / IMS / Ceet / Cyromax / SunLine / Works Connection / CTi / SunStar / Renthal / Applied / Motul / All Pro Training / Donnie Hansen MX Academy | |
| 21 | 782 | MICHAEL G YOUNG | PALMDALE, CA | YAM | Samson Racing / AXO / FMF / Maxima / Osiris / Smith / Hinson | |
| 22 | 606 | MATT P MAXIMOFF | BRIGHTON, MI | HON | Demarini's Planet Honda / Pro Grip / Torco / Ceet / Alpine Star / Arai / Santa Cruz Concepts / Shockwear / Galfer brakes / Pro Clean 1000 / MVR / RG3 / UFO / Tsubaki / Regina / Dunlop / Wiseco | |
| Pos. | No. | Rider Name | Hometown | Machine | Sponsors |
| 1 | 16 | CASEY A JOHNSON | LAKE ELSINORE, CA | YAM | Yamaha of Troy / Sinisalo / Oakley / Etnies / No Fear | |
| 2 | 60 | DAVID PINGREE | MENIFEE, CA | SUZ | American Suzuki / Primal Impulse / Bills Pipes / Shift / Alpinestars / Champion Nutrition / CTI | |
| 3 | 98 | ERICK VALLEJO | MEXICO, NL | KAW | | |
| 4 | 62 | RUSTY HOLLAND | FRESNO, CA | SUZ | Clawson Motorsports | |
| 5 | 282 | JIMMY J VARIS | SWEDEN, | SUZ | AGC Clothing / FMF / C.T.I / RG3 Suspension / IMS / Malcom Smith Motorsports | |
| 6 | 168 | KEITH R JOHNSON | ALBUQUERQUE, NM | YAM | Pro Circuit / Bobby J's Yamaha / AXO / Spy / Donnie Hanson MX Academy / Renthal / Applied Racing / Ceet / Works Connection / Innovation Sports / ZLT Designs / No Fear | |
| 7 | 85 | GREG S SCHNELL | RANCHO CUCAMONGA, CA | YAM | Motoworld Yamaha / Thor / Pro Circuit / Renthal / Goat / Alpinestars | |
| 8 | 79 | BRAD HAGSETH | ONALASKA, WA | HON | Demarini Sports / Honda / Pro Grip / Alpinestars / Arai / MVR / RG3 Suspension / Dunlop / Hinson / VFO / Torco / Applied / Works Connection / Tsubaki | |
| 9 | 967 | CHAD REED | SANTA FE SPRINGS, CA | SUZ | American Suzuki Motor Corp / Suzuki Australia | |
| 10 | 501 | STAN SLOBODA | CANADA, ON | SUZ | International Motorcycles / Shift / Torco / Wiseco / RP3 / GK Designs / Spy / 748 Clothing / Oli's Autohouse | |
| 11 | 690 | KENNY L BARTRAM | STILLWATER, OK | KTM | KTM / K-Style / Arai / Alpinestar / Applied / Pro Taper / Goat / FMF | |
| 12 | 985 | HAWK B WHITE | QUAIL VALLEY, CA | SUZ | Rock Oil / F and S Suzuki / Zone Clothing | |
| 13 | 679 | JASON D SMITH | COTTONWOOD, AZ | HON | FMF / Wiseco / Aston Racing | |
| 14 | 874 | HAROLD H HAGEMAN | HOLLISTER, CA | SUZ | FMF / Bridgestone / USA Scott / White Brothers / Fox through another pit stop Hollister CA / Big Bird Supension / Seaside CA Yamaha / Suzuki Sports Center / Silkolene | |
| 15 | 686 | KRIS C ROURKE | SAN MARCOS, CA | SUZ | SMP Clothing / Western Power Sports / Bel-Ray / Scott / IMS / FMF / Cirque Optics / 989 Studios / M&M Plastering / Motosports / Stan's Performance Motorcycles / Dutch Touch Tattooing & Piercing | |
| 16 | 861 | DONOVAN MITCHELL | ORANGEVALE, CA | YAM | NCY Yamaha / AXO / Arai / FMF / Scott / IMS / Ceet / Cyromax / SunLine / Works Connection / CTi / SunStar / Renthal / Applied / Motul / All Pro Training / Donnie Hansen MX Academy | |
| 17 | 135 | DANNY R CARLSON | SUN CITY, CA | YAM | DHP / Bills Pipes / Fox / Shoei / Nova / Fasst | |
| 18 | 128 | STEVE ANDRICH | PERRIS, CA | YAM | Andrich Racing / Shock Therapy / Thor / One-Industries / Alpinestars / Wiseco | |
| 19 | 109 | ALESSIO CHIODI | WILLOW GROVE, PA | HUS | Husqvarna / Bell / UFO / Alpinestars / Dunlop / Marzocchi / Sachs / Donna Karan New York Apparel / Cagiva USA | |
| 20 | 198 | ISAIAH V JOHNSON | ALBUQUERQUE, NM | YAM | Boulder Yamaha / FMF / Answer / Arnette / Applied / Sunstar / EVS / WorkConnectionZLT / Bridgestone / NGK / Motul | |
| Pos. | No. | Rider Name | Hometown | Machine | Sponsors |
| 1 | 144 | CHARLES DALE BOGARD | GRAND PRAIRIE, TX | SUZ | Stiffie / Suzuki / Reynard Mods / FMF | |
| 2 | 33 | CASEY LYTLE | SANTA CLARITA, CA | YAM | Yamaha of Troy / Yamaha Motor Corp / Sinisalo / Oakley / Bell / Renthal / Alpinestars | |
| 3 | 76 | DONALD E UPTON | SUN CITY, CA | HON | Torco / Cryolab / FMF / ZLT / Goat Eyewear / Applied / VP / Warpt / Torco | |
| 4 | 25 | NATHAN RAMSEY | CORONA, CA | KAW | Splitfire / ProCircuit / Kawasaki | |
| 5 | 94 | RYAN D CLARK | ALBUQUERQUE, NM | KAW | R&S Kawasaki / Thor / Bridgestone / Alpinestars / Dragon / One Industries / EmigRacing / Individual / PTS / Arai / Hinson | |
| 6 | 26 | SCOTT SHEAK | CORONA, CA | KAW | Splitfire / Procircuit / Kawasaki | |
| 7 | 43 | TRAVIS A PRESTON | HESPERIA, CA | SUZ | Moto XXX / Thor / Pro Circut / Dunlop / Arnette / PJ1 / Works Connection / Streightedje / The Racers Edge / Renthal / Epitaph / Fatwreck Chords | |
| 8 | 195 | BILLY R PAYNE | SIMI VALLEY, CA | KAW | Splitfire / Pro Circuit / Kawasaki | |
| 9 | 66 | TYLER D EVANS | SALINAS, CA | SUZ | O'Neal / American Suzuki / Sunstar / Alpine Stars / Bell Helmets / Bel-Ray / FMF / Smith Regina / Santa Cruz Concepts / Applied / Ceet / CTI / Works Connection Regina / Perilli / Hinson / Yamaha Suzuki Sports Center | |
| 10 | 49 | MICHAEL A BRANDES | QUAIL VALLEY, CA | SUZ | Primal Impulse / Suzuki / Bill's Pipes / Shift / Shoei / Scott / Alpine Star | |
| 11 | 669 | GIO A TEDESCO | ALBUQUERQUE, NM | KTM | Fox / Scott / Tsubaki / One Industries / NCY Yamaha | |
| 12 | 351 | JASON G PARTRIDGE | LAS VEGAS, NV | SUZ | Team Suzuki Sport / FOX / FMF / Dunlop / Spy / Reef / Hinson Clutches / Mike TayloDesigns / Works Connections / FTM / PJ1 | |
| 13 | 188 | ANDY R HARRINGTON | EL CAJON, CA | YAM | Team Motoworld of El Cajon / One Industries / Thor / Smith / Renthal / FMF / Alpinestars / Acerbis / Galfer Brakes / Pirelli Tires / JSP / NJS / Spinelli Auto Sales | |
| 14 | 606 | MATT P MAXIMOFF | BRIGHTON, MI | HON | Demarini's Planet Honda / Pro Grip / Torco / Ceet / Alpine Star / Arai / Santa Cruz Concepts / Shockwear / Galfer brakes / Pro Clean 1000 / MVR / RG3 / UFO / Tsubaki / Regina / Dunlop / Wiseco | |
| 15 | 118 | DOUG PARSONS | COLTON, CA | SUZ | Arnette / Pro Circuit / One Ind / Streight Edge / VP / Dunlop / Renthal | |
| 16 | 717 | RONNIE CLARK | FARMINGTON, NM | YAM | Boulder Yamaha / GSMXS / Fox / Proaction / FMF / Maxima / Dunlop / Works Connection / Ceat / Shred Shed / CTI2 | |
| 17 | 136 | DANIEL M BLAIR | LODI, CA | YAM | Mach 1 Motorsports / FMF Racing / Bell Helmets / MX4 / Answer Racing / Spectro Oil / Bell Helmets / Ferodo Brakes / Scott Goggles / EVS Sports Protection | |
| 18 | 782 | MICHAEL G YOUNG | PALMDALE, CA | YAM | Samson Racing / AXO / FMF / Maxima / Osiris / Smith / Hinson | |
| 19 | 97 | DAN P MOORE | YAKIMA, WA | SUZ | Sports Cycle Suzuki / Mortgage Express / Tuning By Travis / D.B.R. / Works Connection / Dumonde Tech / Wiseco / IBON / Oakley / Carbon Tech | |
| 20 | 727 | JOHN R SEREIKA JR | NORCO, CA | HON | IMS / John Burr Cycles / Alpinestars / Straight Edge / Dirt Digits / Elf / Motion Pro / Emig Racing / Pirelli / VP Fuels | |
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