| 4 | Sam Gaynor | 450 B ll450 B | 2018 | Yamaha |
| 5 | Dirco Van Der Westhui | 450 B ll450 B | 2018 | Yamaha |
| 6 | Brayden Lessler | 450 B ll450 B | 2018 | Yamaha |
| 7 | Rush Chapman | 450 B ll450 B | 2018 | Yamaha |
| 17 | Wesley Allen | 450 B ll450 B | 2018 | Yamaha |
| 18 | Ryan Trevelise | 450 B ll450 B | 2018 | Yamaha |
| 19 | Eddie E Norred | 450 B ll450 B | 2018 | Yamaha |
| 26 | Michael Quinn | 450 B ll450 B | 2018 | Yamaha |
| 34 | Colby Copp | 450 B ll450 B | 2018 | Yamaha |
| 35 | Caleb Conner | 450 B ll450 B | 2018 | Yamaha |
| 36 | Tyler M Walborn | 450 B ll450 B | 2018 | Yamaha |
| 37 | Gage Swanson | 450 B ll450 B | 2018 | Yamaha |
| 40 | Dalton J Henzler | 450 B ll450 B | 2018 | Yamaha |
| 41 | Peter E Pierson | 450 B ll450 B | 2018 | Yamaha |
| 1 | Kenny Day | Vet (30+)** llVet (30+)** | 2018 | Yamaha |
| 3 | Chad H Wages | Vet (30+)** llVet (30+)** | 2018 | Yamaha |
| 14 | Damon Prince | Vet (30+)** llVet (30+)** | 2018 | Yamaha |
| 18 | Michael Tippin Jr | Vet (30+)** llVet (30+)** | 2018 | Yamaha |
| 24 | Jordan Oxley | Vet (30+)** llVet (30+)** | 2018 | Yamaha |
| 25 | Donald Leddy | Vet (30+)** llVet (30+)** | 2018 | Yamaha |
| 28 | Steven L Lorr | Vet (30+)** llVet (30+)** | 2018 | Yamaha |
| 29 | Jetti Pifer | Vet (30+)** llVet (30+)** | 2018 | Yamaha |
| 33 | Scott Darling | Vet (30+)** llVet (30+)** | 2018 | Yamaha |
| 39 | Michael Smith | Vet (30+)** llVet (30+)** | 2018 | Yamaha |
| 1 | Jagger A Koch | 125 C ll125 C | 2018 | Yamaha |
| 3 | Connor Stevenson | 125 C ll125 C | 2018 | Yamaha |
| 6 | Ian Kearon | 125 C ll125 C | 2018 | Yamaha |
| 8 | Colton B Yentzer | 125 C ll125 C | 2018 | Yamaha |
| 11 | Tristin H Moffitt | 125 C ll125 C | 2018 | Yamaha |
| 12 | Ronny Paeper | 125 C ll125 C | 2018 | Yamaha |
| 15 | Kanon Bigelow | 125 C ll125 C | 2018 | Yamaha |
| 18 | Jonathon Hanner | 125 C ll125 C | 2018 | Yamaha |
| 19 | Ryan M Zawacki | 125 C ll125 C | 2018 | Yamaha |
| 21 | Hunter Wellman | 125 C ll125 C | 2018 | Yamaha |
| 22 | Cole R Jones | 125 C ll125 C | 2018 | Yamaha |
| 23 | Robert Lopez | 125 C ll125 C | 2018 | Yamaha |
| 26 | Jacob L Shade | 125 C ll125 C | 2018 | Yamaha |
| 27 | Tyler Long | 125 C ll125 C | 2018 | Yamaha |
| 28 | Calen Paleologos | 125 C ll125 C | 2018 | Yamaha |
| 30 | Chase Scalf | 125 C ll125 C | 2018 | Yamaha |
| 32 | Ezra Parker | 125 C ll125 C | 2018 | Yamaha |
| 33 | Duke Gomez | 125 C ll125 C | 2018 | Yamaha |
| 35 | Logan P Doyle | 125 C ll125 C | 2018 | Yamaha |
| 36 | Colin Brady | 125 C ll125 C | 2018 | Yamaha |
| 37 | Matthew Jernigan | 125 C ll125 C | 2018 | Yamaha |
| 38 | Prestin Martin | 125 C ll125 C | 2018 | Yamaha |
| 18 | Parker E Constable | 85cc (9-11) Limited ll85cc (9-11) Limited | 2018 | Yamaha |
| 33 | Tyler Mollet | 85cc (9-11) Limited ll85cc (9-11) Limited | 2018 | Yamaha |
| 38 | Luke Lopiccolo | 85cc (9-11) Limited ll85cc (9-11) Limited | 2018 | Yamaha |
| 35 | Jeremiah J Willoughby | Mini Sr 1 (12-13) llMini Sr 1 (12-13) | 2018 | Yamaha |
| 12 | Frank Weiss | Masters (50+) llMasters (50+) | 2018 | Yamaha |
| 16 | Jack Lambert | Masters (50+) llMasters (50+) | 2018 | Yamaha |
| 21 | Mark A Guy | Masters (50+) llMasters (50+) | 2018 | Yamaha |
| 22 | Kevin Lizarraga | Masters (50+) llMasters (50+) | 2018 | Yamaha |
| 23 | Duane Kuiken | Masters (50+) llMasters (50+) | 2018 | Yamaha |
| 33 | Derrick Latham | Masters (50+) llMasters (50+) | 2018 | Yamaha |
| 34 | Steve Mahre | Masters (50+) llMasters (50+) | 2018 | Yamaha |
| 39 | William Sargent | Masters (50+) llMasters (50+) | 2018 | Yamaha |
| 40 | Gray W Gabbert | Masters (50+) llMasters (50+) | 2018 | Yamaha |
| 5 | Mason Gonzales | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2018 | Yamaha |
| 11 | Luca Marsalisi | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2018 | Yamaha |
| 12 | Grant Harlan | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2018 | Yamaha |
| 13 | Rush Chapman | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2018 | Yamaha |
| 14 | Kyle White | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2018 | Yamaha |
| 20 | Colby Copp | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2018 | Yamaha |
| 21 | Pierce Knight | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2018 | Yamaha |
| 36 | William Van Beveren | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2018 | Yamaha |
| 38 | Tj Taylor | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2018 | Yamaha |
| 88 | Mark Molesky | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2018 | Yamaha |
| 2 | Logan Best | 65cc (10-11) Limited ll65cc (10-11) Limited | 2018 | Yamaha |
| 9 | Jesse James Parkey | 65cc (10-11) Limited ll65cc (10-11) Limited | 2018 | Yamaha |
| 39 | Kade Johnson | 65cc (10-11) Limited ll65cc (10-11) Limited | 2018 | Yamaha |
| 3 | Evan Haimowitz | 250 C ll250 C | 2018 | Yamaha |
| 4 | Lucas Lamborn | 250 C ll250 C | 2018 | Yamaha |
| 5 | Christian Kapoukranidis | 250 C ll250 C | 2018 | Yamaha |
| 7 | David Dabin | 250 C ll250 C | 2018 | Yamaha |
| 12 | Cole R Jones | 250 C ll250 C | 2018 | Yamaha |
| 20 | Kyle Props | 250 C ll250 C | 2018 | Yamaha |
| 21 | Cameron Batty | 250 C ll250 C | 2018 | Yamaha |
| 28 | Kanon Bigelow | 250 C ll250 C | 2018 | Yamaha |
| 29 | Jagger A Koch | 250 C ll250 C | 2018 | Yamaha |
| 31 | Chris Byars | 250 C ll250 C | 2018 | Yamaha |
| 32 | Markus Sowles | 250 C ll250 C | 2018 | Yamaha |
| 37 | Aidan L Glasgow | 250 C ll250 C | 2018 | Yamaha |
| 2 | Ricky Renner | Junior (25+) llJunior (25+) | 2018 | Yamaha |
| 3 | Levi Kilbarger | Junior (25+) llJunior (25+) | 2018 | Yamaha |
| 18 | Tanner Young | Junior (25+) llJunior (25+) | 2018 | Yamaha |
| 25 | Tyler Richey | Junior (25+) llJunior (25+) | 2018 | Yamaha |
| 28 | Billy Lea | Junior (25+) llJunior (25+) | 2018 | Yamaha |
| 29 | Chad H Wages | Junior (25+) llJunior (25+) | 2018 | Yamaha |
| 30 | Kenny Day | Junior (25+) llJunior (25+) | 2018 | Yamaha |
| 35 | Trampas V Newman | Junior (25+) llJunior (25+) | 2018 | Yamaha |
| 41 | Jack E Ferrell | Junior (25+) llJunior (25+) | 2018 | Yamaha |
| 2 | Canyon Richards | 65cc (7-9) Limited ll65cc (7-9) Limited | 2018 | Yamaha |
| 15 | Austin Camden | 65cc (7-9) Limited ll65cc (7-9) Limited | 2018 | Yamaha |
| 19 | Jonathan Getz, Jr | 65cc (7-9) Limited ll65cc (7-9) Limited | 2018 | Yamaha |
| 36 | Deacon Denno | 65cc (7-9) Limited ll65cc (7-9) Limited | 2018 | Yamaha |
| 1 | Jordan Jarvis | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 2 | Jazzmyn Canfield | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 6 | Landrey J Hazen | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 7 | Autumn Rodman | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 11 | Rachel Dennis | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 17 | Rylee Soule | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 20 | Jada Murphy | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 22 | Samantha M Farr | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 30 | Shayna Mcfarland | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 31 | Gracie Sparks | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 33 | Jolita Nava | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 34 | Isabella Contopoulo | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 35 | Katherine Vanderwerf | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 37 | Cierra Candelaria | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 39 | Brianna Green | Women (12+) Amateur llWomen (12+) Amateur | 2018 | Yamaha |
| 13 | Pat Donaho | Senior (40+) llSenior (40+) | 2018 | Yamaha |
| 20 | Randy Salamon | Senior (40+) llSenior (40+) | 2018 | Yamaha |
| 24 | Eric Jeakle | Senior (40+) llSenior (40+) | 2018 | Yamaha |
| 28 | Donald A Edwards | Senior (40+) llSenior (40+) | 2018 | Yamaha |
| 32 | Jack Lambert | Senior (40+) llSenior (40+) | 2018 | Yamaha |
| 34 | Christian Robinson | Senior (40+) llSenior (40+) | 2018 | Yamaha |
| 35 | Mike P Duclos | Senior (40+) llSenior (40+) | 2018 | Yamaha |
| 5 | Andy Fahey | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 6 | Brian Deruyter | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 7 | Cameron Batty | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 8 | Seth Crotty | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 10 | Evan Haimowitz | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 13 | Logan Shafer | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 23 | Daniel Heed | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 26 | Terry Pierce | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 27 | Davey J Graham | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 29 | Dean Demoss | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 32 | Cameron Delker | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 33 | Raymer Sale | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 36 | Zachary Weaver | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 37 | Justice Binder | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 39 | Matthew Jernigan | 250 C Limited ll250 C Limited | 2018 | Yamaha |
| 1 | Ty Masterpool | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 2 | Levi T Kitchen | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 10 | Chandler Baker | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 13 | Cullin Park | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 21 | Grant Lafrance | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 22 | Nate C Mason | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 24 | Noah R Willbrandt | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 25 | Levi Wosick | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 27 | Zackery Poor | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 29 | Brett T Greenley | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 30 | Tj Uselman | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 31 | Lawrence A Fortin III | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 33 | Noah Schuring | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 34 | Branden Walther | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 37 | Gavin Leachman | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 40 | Degan Palmer | 125cc (12-17) B/C ll125cc (12-17) B/C | 2018 | Yamaha |
| 2 | Devin Simonson | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 3 | Tristan L Lewis | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 5 | Brayden Lessler | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 6 | Sam Gaynor | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 9 | Brandon Gregoire | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 11 | Dirco Van Der Westhui | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 12 | Dawson J Ryker | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 14 | J Ryder Fox | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 16 | Pierce Knight | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 18 | Stephen Hooker | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 20 | Eddie E Norred | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 21 | Tj Taylor | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 23 | Wesley Allen | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 30 | Dylan Smith | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 36 | Luiz F Tonini | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 37 | Ryan Trevelise | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 88 | Jack Kukas | 450 B Limited ll450 B Limited | 2018 | Yamaha |
| 1 | Joseph R Tait | College (18-24) llCollege (18-24) | 2018 | Yamaha |
| 5 | Michael Hicks | College (18-24) llCollege (18-24) | 2018 | Yamaha |
| 12 | Rece Campbell | College (18-24) llCollege (18-24) | 2018 | Yamaha |
| 18 | Kolton Dean | College (18-24) llCollege (18-24) | 2018 | Yamaha |
| 21 | Austin Winslow | College (18-24) llCollege (18-24) | 2018 | Yamaha |
| 23 | Kameron Barboa | College (18-24) llCollege (18-24) | 2018 | Yamaha |
| 41 | Trey Fegert | College (18-24) llCollege (18-24) | 2018 | Yamaha |
| 42 | Michael Quinn | College (18-24) llCollege (18-24) | 2018 | Yamaha |
| 3 | Matthew Le Blanc | Supermini 2 (13-16) llSupermini 2 (13-16) | 2018 | Yamaha |
| 16 | Christopher M Blackmer | Supermini 2 (13-16) llSupermini 2 (13-16) | 2018 | Yamaha |
| 2 | David Dabin | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 4 | Seth Crotty | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 5 | Garrett D Simpson | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 7 | Mark Wilson | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 8 | Logan Shafer | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 9 | Tristin H Moffitt | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 10 | Brian Deruyter | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 16 | Cameron Delker | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 17 | Robert Lopez | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 22 | Ryan M Zawacki | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 23 | Andy Fahey | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 34 | Sean Mcmarr | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 35 | Zachary Weaver | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 36 | Justice Binder | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 37 | John Dagan Jr | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 39 | Gage Mcbee | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 40 | Raymer Sale | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2018 | Yamaha |
| 40 | Jeremiah J Willoughby | 85cc (9-12) ll85cc (9-12) | 2018 | Yamaha |
| 1 | Ty Masterpool | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 4 | Cullin Park | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 8 | Tj Uselman | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 10 | Chandler Baker | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 17 | Noah R Willbrandt | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 23 | Nate C Mason | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 30 | Grant Lafrance | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 32 | Noah Schuring | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 34 | Zackery Poor | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 35 | Branden Walther | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 37 | Levi T Kitchen | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 39 | Gavin Leachman | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 88 | Degan Palmer | Schoolboy 1 (12-17) B/C llSchoolboy 1 (12-17) B/C | 2018 | Yamaha |
| 2 | Logan Best | 65cc (7-11) ll65cc (7-11) | 2018 | Yamaha |
| 8 | Jesse James Parkey | 65cc (7-11) ll65cc (7-11) | 2018 | Yamaha |
| 17 | Canyon Richards | 65cc (7-11) ll65cc (7-11) | 2018 | Yamaha |
| 41 | Austin Camden | 65cc (7-11) ll65cc (7-11) | 2018 | Yamaha |
| 88 | Kade Johnson | 65cc (7-11) ll65cc (7-11) | 2018 | Yamaha |
| 3 | Kyle Props | 450 C ll450 C | 2018 | Yamaha |
| 5 | Garrett D Simpson | 450 C ll450 C | 2018 | Yamaha |
| 6 | Christian Kapoukranidis | 450 C ll450 C | 2018 | Yamaha |
| 7 | Hunter Wellman | 450 C ll450 C | 2018 | Yamaha |
| 8 | Connor Stevenson | 450 C ll450 C | 2018 | Yamaha |
| 11 | Colton B Yentzer | 450 C ll450 C | 2018 | Yamaha |
| 13 | Garrett Nibler | 450 C ll450 C | 2018 | Yamaha |
| 23 | Markus Sowles | 450 C ll450 C | 2018 | Yamaha |
| 24 | Tyler J Haines | 450 C ll450 C | 2018 | Yamaha |
| 25 | Jeremy Edwards | 450 C ll450 C | 2018 | Yamaha |
| 26 | Coady Mitrowski | 450 C ll450 C | 2018 | Yamaha |
| 30 | Davey J Graham | 450 C ll450 C | 2018 | Yamaha |
| 35 | Colton J Exner | 450 C ll450 C | 2018 | Yamaha |
| 36 | Dean Demoss | 450 C ll450 C | 2018 | Yamaha |
| 4 | Matthew Le Blanc | Supermini 1 (12-15) llSupermini 1 (12-15) | 2018 | Yamaha |
| 29 | Christopher M Blackmer | Supermini 1 (12-15) llSupermini 1 (12-15) | 2018 | Yamaha |
| 2 | Tristan L Lewis | 250 B Limited ll250 B Limited | 2018 | Yamaha |
| 4 | Colton Eigenmann | 250 B Limited ll250 B Limited | 2018 | Yamaha |
| 6 | Brandon Gregoire | 250 B Limited ll250 B Limited | 2018 | Yamaha |
| 12 | Dawson J Ryker | 250 B Limited ll250 B Limited | 2018 | Yamaha |
| 14 | Luca Marsalisi | 250 B Limited ll250 B Limited | 2018 | Yamaha |
| 17 | J Ryder Fox | 250 B Limited ll250 B Limited | 2018 | Yamaha |
| 22 | Oliver Ayre | 250 B Limited ll250 B Limited | 2018 | Yamaha |
| 25 | Derrek Rogers | 250 B Limited ll250 B Limited | 2018 | Yamaha |
| 31 | Ashton Bloxom | 250 B Limited ll250 B Limited | 2018 | Yamaha |
| 41 | Luiz F Tonini | 250 B Limited ll250 B Limited | 2018 | Yamaha |
| 42 | Brad Bicsak | 250 B Limited ll250 B Limited | 2018 | Yamaha |
| 5 | Scott Phelps | Senior (45+) llSenior (45+) | 2018 | Yamaha |
| 14 | Cody Marek | Senior (45+) llSenior (45+) | 2018 | Yamaha |
| 15 | Wayne Powers | Senior (45+) llSenior (45+) | 2018 | Yamaha |
| 16 | Eric Jeakle | Senior (45+) llSenior (45+) | 2018 | Yamaha |
| 17 | Derrick Latham | Senior (45+) llSenior (45+) | 2018 | Yamaha |
| 21 | Frank Weiss | Senior (45+) llSenior (45+) | 2018 | Yamaha |
| 30 | Dan Zullo | Senior (45+) llSenior (45+) | 2018 | Yamaha |
| 33 | Steve Mahre | Senior (45+) llSenior (45+) | 2018 | Yamaha |
| 34 | Gray W Gabbert | Senior (45+) llSenior (45+) | 2018 | Yamaha |
| 35 | Richard Thorwaldson | Senior (45+) llSenior (45+) | 2018 | Yamaha |
| 2 | Jazzmyn Canfield | Girls (11-16) llGirls (11-16) | 2018 | Yamaha |
| 16 | Sophia G Hulsey | Girls (11-16) llGirls (11-16) | 2018 | Yamaha |
| 34 | Alana Padilla | Girls (11-16) llGirls (11-16) | 2018 | Yamaha |
| 1 | Brayton Kreglow | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 2 | Bode Bradford | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 3 | Brayton Wills | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 4 | Zane Lobretto | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 5 | Isaac Ling | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 6 | Kayky M De Pinho | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 7 | Ethan Deel | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 8 | Alexander Doak | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 9 | Kylan S Stewart | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 10 | Weston Fryar | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 11 | Easten Mcwhorter | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 12 | Julian M Lozano | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 13 | Beckett Ferry | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 14 | Reid Cone | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 15 | Tyler J Sztancsik | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 16 | Rydinh Novak | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 17 | Greyson Russell | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 18 | Ocean Lipstein | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 19 | Tinley Mccoy | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 20 | Aiden Mckiddie | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 21 | Abel Flener | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 22 | Liam Venz | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 23 | Jakson Castlebury | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 24 | Lane Millington | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 25 | Axel Ward | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 26 | Zoe Moore | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 27 | Brody Lopez | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 28 | Braxton Baldock | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 29 | Bryce R Queen | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 30 | Owen Wooldridge | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 31 | Niko Colby | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 32 | Owen Salamon | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 33 | Colt Killebrew | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 34 | Bodhi White | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 35 | Karlie Gurney | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 36 | Brayton Lawson | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 37 | Tristan Mandy | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 38 | Stiles Lowry | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 39 | Braxton Hajj | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 40 | Ryder M Mikels | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 41 | Kolten Smith | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 42 | Levi Leddy | 51cc (4-6) Shaft Dr LTD ll51cc (4-6) Shaft Dr LTD | 2018 | Yamaha |
| 2 | Tanner Stack | 250 A ll250 A | 2018 | Yamaha |
| 6 | Justin Thompson | 250 A ll250 A | 2018 | Yamaha |
| 15 | Justin Rodbell | 250 A ll250 A | 2018 | Yamaha |
| 17 | Joshua Guffey | 250 A ll250 A | 2018 | Yamaha |
| 18 | Luke C Neese | 250 A ll250 A | 2018 | Yamaha |
| 19 | Dustin Winter | 250 A ll250 A | 2018 | Yamaha |
| 21 | Blake E Taylor | 250 A ll250 A | 2018 | Yamaha |
| 22 | Bryton F Carroll | 250 A ll250 A | 2018 | Yamaha |
| 26 | Austin Winslow | 250 A ll250 A | 2018 | Yamaha |
| 32 | Maxwell P Sanford | 250 A ll250 A | 2018 | Yamaha |
| 35 | Logan Leitzel | 250 A ll250 A | 2018 | Yamaha |
| 37 | Tyler Richey | 250 A ll250 A | 2018 | Yamaha |
| 88 | Dylan Greer | 250 A ll250 A | 2018 | Yamaha |
| 88 | Carter Halpain | 250 A ll250 A | 2018 | Yamaha |
| 8 | Devin Simonson | 250 B ll250 B | 2018 | Yamaha |
| 14 | Nicholas M Maret | 250 B ll250 B | 2018 | Yamaha |
| 16 | Mason Gonzales | 250 B ll250 B | 2018 | Yamaha |
| 17 | Grant Harlan | 250 B ll250 B | 2018 | Yamaha |
| 19 | Oliver Ayre | 250 B ll250 B | 2018 | Yamaha |
| 25 | Colton Eigenmann | 250 B ll250 B | 2018 | Yamaha |
| 28 | Dalton J Henzler | 250 B ll250 B | 2018 | Yamaha |
| 30 | Ashton Bloxom | 250 B ll250 B | 2018 | Yamaha |
| 38 | Kyle White | 250 B ll250 B | 2018 | Yamaha |
| 41 | Michael B Kelly Jr | 250 B ll250 B | 2018 | Yamaha |
| 42 | Derrek Rogers | 250 B ll250 B | 2018 | Yamaha |
| 6 | Justin Rodbell | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 7 | Luke C Neese | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 11 | Justin Thompson | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 12 | Joseph R Tait | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 16 | Tanner Stack | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 20 | Bryton F Carroll | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 24 | Jamison Duclos | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 25 | Joshua Guffey | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 26 | Drake Evans | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 30 | Rece Campbell | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 31 | Logan Leitzel | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 40 | Trey Fegert | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 88 | Dylan Greer | Open Pro Sport llOpen Pro Sport | 2018 | Yamaha |
| 1 | Jordan Jarvis | WMX llWMX | 2018 | Yamaha |
| 7 | Samantha M Farr | WMX llWMX | 2018 | Yamaha |
| 12 | Autumn Rodman | WMX llWMX | 2018 | Yamaha |
| 13 | Cheyenne Mcguin | WMX llWMX | 2018 | Yamaha |
| 15 | Morgan Johnson | WMX llWMX | 2018 | Yamaha |
| 16 | Jaden Carlson | WMX llWMX | 2018 | Yamaha |
| 17 | Felicia Webb | WMX llWMX | 2018 | Yamaha |
