Результаты четвертого этапа Чемпионата Америки по Мотокроссу 2012 года в классе 450
| Поз | № | Гонщик | Нац | Мотоцикл | 1-й заезд | 2-й заезд | Итог |
| 1 | 5 | Dungey, Ryan | | KTM | 25 | 25 | 50
|
| 2 | 800 | Alessi, Mike | | Suzuki | 22 | 22 | 44
|
| 3 | 21 | Weimer, Jake | | Kawasaki | 20 | 20 | 40
|
| 4 | 29 | Short, Andrew | | Honda | 18 | 13 | 31
|
| 5 | 18 | Millsaps, David | | Yamaha | 12 | 18 | 30
|
| 6 | 24 | Metcalfe, Brett | | Suzuki | 14 | 16 | 30
|
| 7 | 25 | Tickle, Broc | | Kawasaki | 15 | 12 | 27
|
| 8 | 53 | Sipes, Ryan | | Yamaha | 9 | 15 | 24
|
| 9 | 50 | Izzi, Nico | | Yamaha | 13 | 11 | 24
|
| 10 | 26 | Byrne, Michael | | Suzuki | 8 | 14 | 22
|
| 11 | 10 | Brayton, Justin | | Honda | 10 | 8 | 18
|
| 12 | 11 | Chisholm, Kyle | | Kawasaki | 7 | 9 | 16
|
| 13 | 7 | Stewart, James | | Suzuki | 16 | 0 | 16
|
| 14 | 59 | Friese, Vince | | Suzuki | 5 | 7 | 12
|
| 15 | 33 | Grant, Josh | | Kawasaki | 11 | 0 | 11
|
| 16 | 36 | Regal, Kyle | | Yamaha | 0 | 10 | 10
|
| 17 | 48 | Albertson, Jimmy | | Suzuki | 3 | 6 | 9
|
| 18 | 52 | LaMay, Ben | | Yamaha | 4 | 4 | 8
|
| 19 | 232 | Laninovich, Billy | | Honda | 1 | 5 | 6
|
| 20 | 60 | Lemoine, Matthew | | Kawasaki | 6 | 0 | 6
|
| 21 | 61 | Howell, Austin | | Suzuki | 0 | 3 | 3
|
| 22 | 595 | Евгений Михайлов | | Suzuki | 0 | 2 | 2
|
| 23 | 82 | Sipes, Justin | | Kawasaki | 2 | 0 | 2
|
| 24 | 186 | Borkenhagen, Sean | | Kawasaki | 0 | 1 | 1
|
| 25 | 27 | Wey, Nicholas | | Kawasaki | 0 | 0 | 0
|
| 26 | 85 | Marshall, Robert | | KTM | 0 | 0 | 0
|
| 27 | 370 | Yenerich, Drew | | Yamaha | 0 | 0 | 0
|
| 28 | 46 | Smith, Les | | KTM | 0 | 0 | 0
|
| 29 | 89 | Bright, Tyler | | KTM | 0 | 0 | 0
|
| 30 | 66 | Thomas, Jason | | Suzuki | 0 | 0 | 0
|
| 31 | 62 | Sewell, Travis | | Yamaha | 0 | 0 | 0
|
| 32 | 869 | Lind, Robert | | Honda | 0 | 0 | 0
|
| 33 | 91 | Carlson, Dalton | | Yamaha | 0 | 0 | 0
|
| 34 | 652 | Pipes, Dustin | | Suzuki | 0 | 0 | 0
|
| 35 | 976 | Greco, Josh | | Honda | 0 | 0 | 0
|
| 36 | 224 | Harrison, Heath | | Honda | 0 | 0 | 0
|
| 37 | 945 | Stryker, Michael | | KTM | 0 | 0 | 0
|
| 38 | 672 | Rarick, Seth | | KTM | 0 | 0 | 0
|
| 39 | 160 | Thompson, Cole | | Honda | 0 | 0 | 0
|
| 40 | 68 | Sewell, Shane | | KTM | 0 | 0 | 0
|