Con il secondo di detroit Ben Townley ha vinto il suo primo titolo USA: si è laureato Campone AMA Supercross Costa Est. James Stewart vince ancora e mette le mani sul titolo: a due prove dal termine, solo una manciata di punti lo separano dal primo titolo Supercross.
Supercross 450
| 1 | 7 | James M Stewart | Haines City, FL | Kawasaki KX450F | 20 | — | |
| 2 | 22 | Chad Reed | Tampa, FL | Yamaha YZ450F | 20 | 7.488 | |
| 3 | 15 | Timmy M Ferry | Largo, FL | Kawasaki KX450F | 20 | 9.286 | |
| 4 | 14 | Kevin W Windham | Centreville, MS | Honda CRF450R | 20 | 11.643 | |
| 5 | 29 | Andrew T Short | Smithville, TX | Honda CRF450R | 20 | 21.999 | |
| 6 | 12 | David Vuillemin | Murrieta, CA | Honda CRF450R | 20 | 32.528 | |
| 7 | 13 | Heath D Voss | Mico, TX | Honda CRF450R | 20 | 34.556 | |
| 8 | 9 | Ivan Tedesco | Murrieta, CA | Suzuki RMZ450 | 20 | 36.329 | |
| 9 | 37 | Paul P Carpenter | Ithaca, NY | Kawasaki KX450F | 20 | 36.942 | |
| 10 | 31 | Jason W Thomas | Melrose, FL | Honda CRF450R | 19 | — | |
| 11 | 36 | Joshua Summey | Stanley, NC | Honda CRF450R | 19 | — | |
| 12 | 40 | Jeff Gibson | Blacklick, OH | Kawasaki KX450F | 19 | — | |
| 13 | 768 | Keith R Johnson | Albuquerque, NM | Yamaha YZ450F | 19 | — | |
| 14 | 18 | Brock Sellards | Sherrodsville, OH | Honda CRF450R | 19 | — | |
| 15 | 26 | Michael Byrne | Newnan, GA | Suzuki RMZ450 | 19 | — | |
| 16 | 79 | Jacob Marsack | Allenton, MI | Kawasaki KX450F | 19 | — | |
| 17 | 35 | Josh R Demuth | Keller, TX | Kawasaki KX450F | 19 | — | |
| 18 | 917 | Eric Sorby | Lake Elsinore, CA | Kawasaki KX450F | 19 | — | |
| 19 | 53 | Tyler Evans | Corona, CA | Suzuki RM-Z450 | 19 | — | |
| 20 | 17 | Robbie L Reynard | Oklahoma City, OK | Honda CRF450R | 19 | — | |
| 21 | 118 | David D Millsaps | Cairo, GA | Honda CRF450R | 11 | — |
Supercross 250
| 1 | 62 | Ryan M Dungey | Belle Plaine, MN | Suzuki RM-Z250 | 15 | — | |
| 2 | 101 | Ben Townley | Tallahassee, FL | Kawasaki KX250F | 15 | 2.171 | |
| 3 | 52 | Thomas K Hahn | Decatur, TX | Honda CRF250R | 15 | 3.749 | |
| 4 | 50 | Billy R Laninovich | Lake Elsinore, CA | Honda CRF250R | 15 | 5.36 | |
| 5 | 116 | Ryan Morais | Temecula, CA | Yamaha YZ250F | 15 | 8.676 | |
| 6 | 121 | Branden L Jesseman | New Brighton, PA | Yamaha YZ250F | 15 | 15.632 | |
| 7 | 47 | Kelly D Smith | Ludington, MI | Suzuki RM-Z250 | 15 | 16.619 | |
| 8 | 800 | Mike A Alessi | Victorville, CA | KTM 250SXF | 15 | 21.44 | |
| 9 | 609 | Matt Boni | Geneva, FL | Kawasaki KX250F | 15 | 22.316 | |
| 10 | 105 | Darcy G Lange | Hemet, CA | Kawasaki KX250F | 15 | 24.112 | |
| 11 | 54 | Robert S Kiniry | La Fayette, NY | Kawasaki KX250F | 15 | 35.493 | |
| 12 | 168 | Zach M Osborne | Abingdon, VA | KTM 250SXF | 15 | 38.331 | |
| 13 | 76 | Tucker J Hibbert | Centreville, MS | Yamaha YZ250F | 15 | 40.198 | |
| 14 | 416 | Teddy J Maier | Fort Dodge, IA | Honda CRF250R | 15 | 42.161 | |
| 15 | 532 | Ricky L Renner | Mulberry, FL | Honda CRF250R | 14 | — | |
| 16 | 709 | Tyler Bright | Lexington, NC | Yamaha YZ250F | 14 | — | |
| 17 | 75 | Broc Oneal Tickle | Cary, NC | Yamaha YZ250F | 14 | — | |
| 18 | 801 | Jeff Alessi | Victorville, CA | KTM 250SXF | 14 | — | |
| 19 | 270 | Nathan H Skaggs | Chillicothe, OH | Honda CRF250R | 14 | — | |
| 20 | 304 | Bradley J Ripple | Crown Point, IN | Kawasaki KX250F | 14 | — | |
| 21 | 552 | Fred D Karrle | Hobart, IN | Suzuki RM-Z250 | 14 | — | |
| 22 | 157 | Sean L Hackley | Ovilla, TX | Yamaha YZ250F | 7 | — |
