450MX Pre-Entry List
| Racing No. | First Name | Last Name | Class | Brand |
| 5 | Ryan | Dungey | 450 | KTM |
| 7 | James | Stewart | 450 | Suzuki |
| 9 | Ivan | Tedesco | 450 | Suzuki |
| 10 | Justin | Brayton | 450 | Yamaha |
| 12 | Jacob | Weimer | 450 | Kawasaki |
| 18 | Davi | Millsaps | 450 | KTM |
| 22 | Chad | Reed | 450 | Kawasaki |
| 24 | Brett | Metcalfe | 450 | Kawasaki |
| 29 | Andrew | Short | 450 | KTM |
| 33 | Josh | Grant | 450 | Yamaha |
| 34 | Malcolm | Stewart | 450 | Honda |
| 38 | Phillip | Nicoletti | 450 | Yamaha |
| 39 | Ryan | Sipes | 450 | KTM |
| 40 | Weston | Peick | 450 | Suzuki |
| 41 | Trey | Canard | 450 | Honda |
| 44 | Matthew | Goerke | 450 | KTM |
| 48 | Ben | LaMay | 450 | Yamaha |
| 51 | Justin | Barcia | 450 | Honda |
| 77 | Jimmy | Albertson | 450 | Honda |
| 80 | Fredrik | Noren | 450 | KTM |
| 92 | Killian | Rusk | 450 | Yamaha |
| 94 | Ken | Roczen | 450 | KTM |
| 95 | Evgeny | Mikhaylov | 450 | KTM |
| 120 | Todd | Bannister | 450 | Honda |
| 123 | Kevin | Rookstool | 450 | KTM |
| 131 | Noah | McConahy | 450 | Honda |
| 140 | Johnny | Moore | 450 | Honda |
| 193 | Chris | Proscelle | 450 | Honda |
| 219 | Shane | Sewell | 450 | KTM |
| 237 | David | Costa | 450 | Kawasaki |
| 257 | Joey | DeNeen | 450 | Honda |
| 282 | Theodore | Pauli | 450 | Kawasaki |
| 285 | Tony | Archer | 450 | Kawasaki |
| 289 | Tyler | Martin | 450 | Kawasaki |
| 324 | James | Cooper | 450 | Yamaha |
| 399 | Broc | Peterson | 450 | Honda |
| 413 | Konnor | Buffis | 450 | Honda |
| 437 | Charles | Bright | 450 | Honda |
| 442 | Greg | Pamart | 450 | Yamaha |
| 452 | Sean | Hackley, Jr. | 450 | KTM |
| 456 | Jacob | Grove | 450 | Suzuki |
| 467 | Ty | Newcome | 450 | Suzuki |
| 517 | Tyler | Kline | 450 | KTM |
| 531 | Todd | Krieg | 450 | KTM |
| 535 | Joey | Peters | 450 | Yamaha |
| 573 | Aaron | Mare | 450 | Honda |
| 576 | Nathan | Winegar | 450 | Kawasaki |
| 578 | Dakota | Yohe | 450 | Suzuki |
| 579 | Alex | O’Dell | 450 | Suzuki |
| 583 | Corey | Ridel | 450 | Suzuki |
| 606 | Ronnie | Stewart | 450 | Suzuki |
| 622 | Wil | Allen | 450 | Suzuki |
| 654 | Garrett | Christoffersen | 450 | Suzuki |
| 693 | Tucker | Saye | 450 | Suzuki |
| 713 | Chad | Cook | 450 | Honda |
| 738 | William | Ellis | 450 | Kawasaki |
| 744 | Lewis | Stein | 450 | KTM |
| 752 | Michael | Riner | 450 | Kawasaki |
| 761 | William | Clason | 450 | Honda |
| 782 | Lucas | Lowe | 450 | KTM |
| 796 | Michael | Bidus | 450 | Suzuki |
| 819 | Jordan | Oxley | 450 | Suzuki |
| 841 | Jeff | Walker | 450 | KTM |
| 861 | Eric | Montreuil | 450 | Yamaha |
| 869 | Robert | Lind | 450 | Yamaha |
| 878 | Eric | McKay | 450 | Honda |
| 894 | Dwight | Dillon | 450 | Honda |
| 932 | Levi | Persson | 450 | KTM |
| 945 | Michael | Stryker | 450 | Suzuki |
| 950 | Nathen | LaPorte | 450 | Yamaha |
| 987 | Matthew | Babbitt | 450 | Honda |
250MX Pre-Entry List
| Racing No. | First Name | Last Name | Class | Brand |
| 4 | Blake | Baggett | 250 | Kawasaki |
| 15 | Dean | Wilson | 250 | Kawasaki |
| 16 | Zachary | Osborne | 250 | Honda |
| 17 | Jason | Anderson | 250 | KTM |
| 19 | Jeremy | Martin | 250 | Yamaha |
| 21 | Cole | Seely | 250 | Honda |
| 25 | Marvin | Musquin | 250 | KTM |
| 30 | Kyle | Cunningham | 250 | Honda |
| 32 | Justin | Bogle | 250 | Honda |
| 35 | Justin | Hill | 250 | Kawasaki |
| 37 | Cooper | Webb | 250 | Yamaha |
| 43 | Joseph | Savatgy | 250 | KTM |
| 45 | Darryn | Durham | 250 | Kawasaki |
| 47 | Kyle | Peters | 250 | Honda |
| 50 | Jessy | Nelson | 250 | Honda |
| 55 | Alex | Martin | 250 | Yamaha |
| 60 | Jackson | Richardson | 250 | Honda |
| 62 | Mitchell | Oldenburg | 250 | Honda |
| 71 | Zachary | Bell | 250 | Honda |
| 78 | Mathew | Lemoine | 250 | Kawasaki |
| 83 | Dakota | Tedder | 250 | Kawasaki |
| 87 | Shane | McElrath | 250 | Honda |
| 91 | Jake | Baumert | 250 | Kawasaki |
| 96 | Matt | Bisceglia | 250 | Honda |
| 99 | Justin | Starling | 250 | Honda |
| 142 | Cole | Martinez | 250 | Kawasaki |
| 150 | William | Duffy | 250 | Kawasaki |
| 165 | James | Roberts | 250 | Honda |
| 169 | Jason | Astudillo | 250 | Honda |
| 243 | Joseph | Dalzell | 250 | Kawasaki |
| 245 | Quinton | Camp | 250 | KTM |
| 265 | Nick | Fratz-Orr | 250 | Honda |
| 270 | Jacob | Runkles | 250 | Kawasaki |
| 273 | Conner | Elliott | 250 | Honda |
| 299 | Tucker | Snyder | 250 | KTM |
| 350 | Roland | Beck, Jr | 250 | Honda |
| 358 | Warren | Nelson | 250 | Suzuki |
| 371 | Dakota | Alix | 250 | KTM |
| 377 | Christophe | Pourcel | 250 | Yamaha |
| 390 | Matthew | Vacendak | 250 | Honda |
| 410 | Jace | Owen | 250 | Honda |
| 449 | Dakota | Kessler | 250 | Honda |
| 475 | Timothy | Scouten | 250 | Honda |
| 479 | James | Coen | 250 | Honda |
| 493 | Michael | Adams | 250 | Suzuki |
| 496 | Andrew | King | 250 | Kawasaki |
| 509 | Alexander | Nagy | 250 | Suzuki |
| 521 | Sean | Koeller | 250 | Kawasaki |
| 549 | Billy | Kibler | 250 | Honda |
| 558 | Dylan | Slusser | 250 | Honda |
| 586 | Kyle | Endriss | 250 | Suzuki |
| 593 | Dakota | Robins | 250 | Kawasaki |
| 620 | Brad | Nauditt | 250 | Honda |
| 655 | John | Pauk | 250 | Honda |
| 659 | Justin | Freund | 250 | Yamaha |
| 683 | Brandon | Riehm | 250 | Kawasaki |
| 724 | Jason | McConnell | 250 | KTM |
| 731 | Steve | Roman | 250 | Suzuki |
| 736 | Daniel | Lippman | 250 | Suzuki |
| 739 | Cody | Sterling | 250 | Honda |
| 742 | Christian | Telker | 250 | Yamaha |
| 769 | Michael | Norris | 250 | KTM |
| 791 | Dillon | Finley | 250 | Honda |
| 795 | Aaron | Leininger | 250 | Honda |
| 798 | Cody | Gragg | 250 | Yamaha |
| 815 | Jake | Scarbrough | 250 | Suzuki |
| 822 | Clarion | Chapiewski | 250 | Honda |
| 824 | Logan | Pfleiderer | 250 | Honda |
| 826 | Matthew | Burkeen | 250 | KTM |
| 874 | Zack | Williams | 250 | Honda |
| 899 | Kevin | Uebrick | 250 | KTM |
| 919 | Shawn | Rhinehart | 250 | Suzuki |
| 947 | Daniel | Netti | 250 | Kawasaki |
