Результаты квалификации девятого этапа Чемпионата Америки по Мотокроссу 2017 года в классе 450
| Поз | № | Гонщик | Нац | Мотоцикл | Лучший круг | № круга | Отс. от перв. | Отс. от пред. | кол. кр. |
| 1 | 3 | Tomac, Eli |  | Kawasaki | 2:10.563 | - - | 0:00.000 | 0:00.000 | - - |
| 2 | 25 | Musquin, Marvin |  | KTM | 2:11.917 | - - | 0:01.354 | 0:01.354 | - - |
| 3 | 30 | Davalos, Martin |  | Husqvarna | 2:12.620 | - - | 0:02.057 | 0:00.703 | - - |
| 4 | 40 | Noren, Frederik |  | Honda | 2:13.322 | - - | 0:02.759 | 0:00.702 | - - |
| 5 | 4 | Baggett, Blake | | KTM | 2:13.349 | - - | 0:02.786 | 0:00.027 | - - |
| 6 | 48 | Craig, Christian | | Honda | 2:13.388 | - - | 0:02.825 | 0:00.039 | - - |
| 7 | 14 | Seely, Cole | | Honda | 2:13.694 | - - | 0:03.131 | 0:00.306 | - - |
| 8 | 51 | Barcia, Justin | | Suzuki | 2:14.149 | - - | 0:03.586 | 0:00.455 | - - |
| 9 | 19 | Bogle, Justin | | Suzuki | 2:14.374 | - - | 0:03.811 | 0:00.225 | - - |
| 10 | 32 | Peick, Weston | | Suzuki | 2:14.394 | - - | 0:03.831 | 0:00.020 | - - |
| 11 | 15 | Wilson, Dean |  | Husqvarna | 2:14.810 | - - | 0:04.247 | 0:00.416 | - - |
| 12 | 43 | Bisceglia, Matt | | Suzuki | 2:15.784 | - - | 0:05.221 | 0:00.974 | - - |
| 13 | 52 | Bowers, Tyler | | Kawasaki | 2:15.960 | - - | 0:05.397 | 0:00.176 | - - |
| 14 | 70 | Alix, Dakota | | KTM | 2:16.418 | - - | 0:05.855 | 0:00.458 | - - |
| 15 | 34 | Bloss, Benny | | KTM | 2:16.517 | - - | 0:05.954 | 0:00.099 | - - |
| 16 | 757 | Weeck, Tommy | | Honda | 2:17.449 | - - | 0:06.886 | 0:00.932 | - - |
| 17 | 244 | Hoeft, Justin | | Yamaha | 2:17.463 | - - | 0:06.900 | 0:00.014 | - - |
| 18 | 718 | Tomita, Toshiki |  | Honda | 2:18.137 | - - | 0:07.574 | 0:00.674 | - - |
| 19 | 388 | Leith, Brandan | | Kawasaki | 2:18.257 | - - | 0:07.694 | 0:00.120 | - - |
| 20 | 81 | Miller, Henry | | Yamaha | 2:18.280 | - - | 0:07.717 | 0:00.023 | - - |
| 21 | 125 | Mosiman, Josh | | Husqvarna | 2:18.331 | - - | 0:07.768 | 0:00.051 | - - |
| 22 | 68 | Harrison, Heath | | Yamaha | 2:19.492 | - - | 0:08.929 | 0:01.161 | - - |
| 23 | 559 | Merriam, Dylan | | Yamaha | 2:19.583 | - - | 0:09.020 | 0:00.091 | - - |
| 24 | 151 | Tedder, Dakota | | Kawasaki | 2:19.939 | - - | 0:09.376 | 0:00.356 | - - |
| 25 | 539 | Dietrich, Ricky | | Kawasaki | 2:20.009 | - - | 0:09.446 | 0:00.070 | - - |
| 26 | 58 | Alldredge, Chris | | KTM | 2:20.011 | - - | 0:09.448 | 0:00.002 | - - |
| 27 | 332 | Hand, Jeremy | | KTM | 2:20.144 | - - | 0:09.581 | 0:00.133 | - - |
| 28 | 314 | Ray, Alex | | Yamaha | 2:20.266 | - - | 0:09.703 | 0:00.122 | - - |
| 29 | 476 | Jurin, Collin | | Kawasaki | 2:20.336 | - - | 0:09.773 | 0:00.070 | - - |
| 30 | 88 | Short, John | | Yamaha | 2:20.347 | - - | 0:09.784 | 0:00.011 | - - |
| 31 | 170 | Williams, Zack | | Honda | 2:20.351 | - - | 0:09.788 | 0:00.004 | - - |
| 32 | 140 | Kouba, Austin | | Kawasaki | 2:20.490 | - - | 0:09.927 | 0:00.139 | - - |
| 33 | 144 | Rolando Rodriguez, Nicolas |  | Suzuki | 2:20.547 | - - | 0:09.984 | 0:00.057 | - - |
| 34 | 620 | Nauditt, Brad | | Honda | 2:21.561 | - - | 0:10.998 | 0:01.014 | - - |
| 35 | 544 | Burger, Morgan | | Honda | 2:21.578 | - - | 0:11.015 | 0:00.017 | - - |
| 36 | 207 | DeMartile, Dare | | Honda | 2:21.616 | - - | 0:11.053 | 0:00.038 | - - |
| 37 | 181 | Pipes, Dustin | | Suzuki | 2:21.889 | - - | 0:11.326 | 0:00.273 | - - |
| 38 | 154 | Scharer, Brandon | | Yamaha | 2:21.896 | - - | 0:11.333 | 0:00.007 | - - |
| 39 | 96 | Martin, Vann | | Honda | 2:22.112 | - - | 0:11.549 | 0:00.216 | - - |
| 40 | 606 | Stewart, Ronnie | | Suzuki | 2:22.501 | - - | 0:11.938 | 0:00.389 | - - |
| 41 | 447 | Raper, Deven | | Kawasaki | 2:23.200 | - - | 0:12.637 | 0:00.699 | - - |
| 42 | 251 | Gills, Kyle | | Honda | 2:23.508 | - - | 0:12.945 | 0:00.308 | - - |
| 43 | 636 | Knight, Keith | | KTM | 2:23.749 | - - | 0:13.186 | 0:00.241 | - - |
| 44 | 265 | Fratz-Orr, Nick | | KTM | 2:24.116 | - - | 0:13.553 | 0:00.367 | - - |
| 45 | 482 | Brough, Riley | | Honda | 2:24.148 | - - | 0:13.585 | 0:00.032 | - - |
| 46 | 909 | Smith, Jacob | | Yamaha | 2:24.477 | - - | 0:13.914 | 0:00.329 | - - |
| 47 | 645 | Harmon, Cheyenne | | Suzuki | 2:24.515 | - - | 0:13.952 | 0:00.038 | - - |
| 48 | 866 | Ovgard, Andreas | | Yamaha | 2:24.822 | - - | 0:14.259 | 0:00.307 | - - |
| 49 | 743 | Gobbi, Nicky |  | Kawasaki | 2:26.090 | - - | 0:15.527 | 0:01.268 | - - |
| 50 | 894 | Dillon, Dwight | | KTM | 2:26.335 | - - | 0:15.772 | 0:00.245 | - - |
| 51 | 461 | Richards, Thomas | | Suzuki | 2:26.369 | - - | 0:15.806 | 0:00.034 | - - |
| 52 | 602 | Barnowski, Joel | | Husqvarna | 2:26.652 | - - | 0:16.089 | 0:00.283 | - - |
| 53 | 329 | Gores, Chad | | KTM | 2:26.699 | - - | 0:16.136 | 0:00.047 | - - |
| 54 | 787 | Thompson, Blayne | | Honda | 2:27.067 | - - | 0:16.504 | 0:00.368 | - - |
| 55 | 771 | Mckenzie, KJ | | Yamaha | 2:29.754 | - - | 0:19.191 | 0:02.687 | - - |
| 56 | 499 | Humiston, Bryant | | Honda | 2:31.736 | - - | 0:21.173 | 0:01.982 | - - |
| 57 | 732 | McBride, Josh | | KTM | 2:32.624 | - - | 0:22.061 | 0:00.888 | - - |
| 58 | 946 | James, Dillon | | Honda | 2:33.086 | - - | 0:22.523 | 0:00.462 | - - |
| 59 | 917 | Thomas, Drew | | Yamaha | 2:34.861 | - - | 0:24.298 | 0:01.775 | - - |
| 60 | 453 | Reynolds, Jordan | | Yamaha | 2:43.870 | - - | 0:33.307 | 0:09.009 | - - |
| 61 | 473 | Rathjen, Jake | | Suzuki | 3:08.282 | - - | 0:57.719 | 0:24.412 | - - |