| 26 | Justin Craft | Open Pro Sport llOpen Pro Sport | 2019 | Kawasaki |
| 29 | Anthony Rosemeyer | Open Pro Sport llOpen Pro Sport | 2019 | Kawasaki |
| 38 | Blake A Hansen | Open Pro Sport llOpen Pro Sport | 2019 | Kawasaki |
| 25 | Blake A Hansen | 250 Pro Sport ll250 Pro Sport | 2019 | Kawasaki |
| 35 | Anthony Rosemeyer | 250 Pro Sport ll250 Pro Sport | 2019 | Kawasaki |
| 1 | Stilez Robertson | 250 B ll250 B | 2019 | Kawasaki |
| 12 | Luca Marsalisi | 250 B ll250 B | 2019 | Kawasaki |
| 21 | Zackery Dobbs | 250 B ll250 B | 2019 | Kawasaki |
| 24 | Jack Rogers | 250 B ll250 B | 2019 | Kawasaki |
| 25 | Alessio Sasso | 250 B ll250 B | 2019 | Kawasaki |
| 35 | Brock A Wagner | 250 B ll250 B | 2019 | Kawasaki |
| 39 | Rylan Smith | 250 B ll250 B | 2019 | Kawasaki |
| 10 | Bryce Hansen | 250 B Limited ll250 B Limited | 2019 | Kawasaki |
| 13 | Zackery Dobbs | 250 B Limited ll250 B Limited | 2019 | Kawasaki |
| 26 | Doc Smith | 250 B Limited ll250 B Limited | 2019 | Kawasaki |
| 32 | Diesel Geerdts | 250 B Limited ll250 B Limited | 2019 | Kawasaki |
| 35 | Cameron Minton | 250 B Limited ll250 B Limited | 2019 | Kawasaki |
| 39 | Braden Gray | 250 B Limited ll250 B Limited | 2019 | Kawasaki |
| 40 | Stephen Ward | 250 B Limited ll250 B Limited | 2019 | Kawasaki |
| 1 | Dylan Cunha | 250 C ll250 C | 2019 | Kawasaki |
| 12 | Conner Mcelyea | 250 C ll250 C | 2019 | Kawasaki |
| 20 | Todd Miller | 250 C ll250 C | 2019 | Kawasaki |
| 29 | William Lane | 250 C ll250 C | 2019 | Kawasaki |
| 30 | Brenden Huffman | 250 C ll250 C | 2019 | Kawasaki |
| 19 | Mitch Miller | 250 C Limited ll250 C Limited | 2019 | Kawasaki |
| 27 | Brenden Huffman | 250 C Limited ll250 C Limited | 2019 | Kawasaki |
| 28 | Conner Mcelyea | 250 C Limited ll250 C Limited | 2019 | Kawasaki |
| 36 | Jared Herbert | 250 C Limited ll250 C Limited | 2019 | Kawasaki |
| 9 | Dylan Cunha | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2019 | Kawasaki |
| 33 | Mitch Miller | 250 C Jr. (12-17) Limited ll250 C Jr. (12-17) Limited | 2019 | Kawasaki |
| 7 | Ayden Nyland | 450 B ll450 B | 2019 | Kawasaki |
| 12 | Cameron Minton | 450 B ll450 B | 2019 | Kawasaki |
| 13 | Dj Weber | 450 B ll450 B | 2019 | Kawasaki |
| 14 | Wristin Grigg | 450 B ll450 B | 2019 | Kawasaki |
| 17 | Matthew J Kretzler | 450 B ll450 B | 2019 | Kawasaki |
| 24 | Griffin Maxwell | 450 B ll450 B | 2019 | Kawasaki |
| 25 | Alex D Jorgensen | 450 B ll450 B | 2019 | Kawasaki |
| 26 | Tanner Paulsen | 450 B ll450 B | 2019 | Kawasaki |
| 27 | Andrew Minton | 450 B ll450 B | 2019 | Kawasaki |
| 32 | Alessio Sasso | 450 B ll450 B | 2019 | Kawasaki |
| 8 | Alex D Jorgensen | 450 B Limited ll450 B Limited | 2019 | Kawasaki |
| 13 | Doc Smith | 450 B Limited ll450 B Limited | 2019 | Kawasaki |
| 15 | Ayden Nyland | 450 B Limited ll450 B Limited | 2019 | Kawasaki |
| 23 | Tristan Alexander | 450 B Limited ll450 B Limited | 2019 | Kawasaki |
| 24 | Matthew J Kretzler | 450 B Limited ll450 B Limited | 2019 | Kawasaki |
| 29 | Griffin Maxwell | 450 B Limited ll450 B Limited | 2019 | Kawasaki |
| 30 | Wristin Grigg | 450 B Limited ll450 B Limited | 2019 | Kawasaki |
| 31 | Andrew Minton | 450 B Limited ll450 B Limited | 2019 | Kawasaki |
| 32 | Stephen Ward | 450 B Limited ll450 B Limited | 2019 | Kawasaki |
| 33 | Dj Weber | 450 B Limited ll450 B Limited | 2019 | Kawasaki |
| 36 | William Mcbride | 450 B Limited ll450 B Limited | 2019 | Kawasaki |
| 9 | Kyle Petrie | 450 C ll450 C | 2019 | Kawasaki |
| 19 | Todd Miller | 450 C ll450 C | 2019 | Kawasaki |
| 24 | Austin Tarantino | 450 C ll450 C | 2019 | Kawasaki |
| 29 | Greye Tate | College (18-24) llCollege (18-24) | 2019 | Kawasaki |
| 36 | William Mcbride | College (18-24) llCollege (18-24) | 2019 | Kawasaki |
| 40 | Tanner Paulsen | College (18-24) llCollege (18-24) | 2019 | Kawasaki |
| 6 | Justin Craft | Junior (25+) llJunior (25+) | 2019 | Kawasaki |
| 7 | Nicholas R Hayes | Junior (25+) llJunior (25+) | 2019 | Kawasaki |
| 9 | Riley Brough | Junior (25+) llJunior (25+) | 2019 | Kawasaki |
| 13 | Jay V Weller | Junior (25+) llJunior (25+) | 2019 | Kawasaki |
| 18 | Donald Alford | Junior (25+) llJunior (25+) | 2019 | Kawasaki |
| 33 | Tucker W Snyder | Junior (25+) llJunior (25+) | 2019 | Kawasaki |
| 34 | Randy Woodring | Junior (25+) llJunior (25+) | 2019 | Kawasaki |
| 39 | Michael D Mitchell | Junior (25+) llJunior (25+) | 2019 | Kawasaki |
| 41 | Chad Rosselli | Junior (25+) llJunior (25+) | 2019 | Kawasaki |
| 1 | Nicholas R Hayes | Vet (30+)** llVet (30+)** | 2019 | Kawasaki |
| 3 | Taylor Painter | Vet (30+)** llVet (30+)** | 2019 | Kawasaki |
| 6 | Shane Obanion | Vet (30+)** llVet (30+)** | 2019 | Kawasaki |
| 10 | Michael D Mitchell | Vet (30+)** llVet (30+)** | 2019 | Kawasaki |
| 13 | Randy Woodring | Vet (30+)** llVet (30+)** | 2019 | Kawasaki |
| 19 | Blake Keeton | Vet (30+)** llVet (30+)** | 2019 | Kawasaki |
| 23 | Michael E Tomanek | Vet (30+)** llVet (30+)** | 2019 | Kawasaki |
| 29 | Chad Rosselli | Vet (30+)** llVet (30+)** | 2019 | Kawasaki |
| 30 | Ryan D Valade | Vet (30+)** llVet (30+)** | 2019 | Kawasaki |
| 32 | Michael Mercer | Vet (30+)** llVet (30+)** | 2019 | Kawasaki |
| 2 | John E Grewe | Senior (40+) llSenior (40+) | 2019 | Kawasaki |
| 4 | Gregory Pamart | Senior (40+) llSenior (40+) | 2019 | Kawasaki |
| 5 | Ryan D Valade | Senior (40+) llSenior (40+) | 2019 | Kawasaki |
| 11 | John Bowlin | Senior (40+) llSenior (40+) | 2019 | Kawasaki |
| 22 | Andrew J Morano | Senior (40+) llSenior (40+) | 2019 | Kawasaki |
| 25 | Abraham Porter | Senior (40+) llSenior (40+) | 2019 | Kawasaki |
| 27 | Christopher Ruble | Senior (40+) llSenior (40+) | 2019 | Kawasaki |
| 28 | Jason A Heindl | Senior (40+) llSenior (40+) | 2019 | Kawasaki |
| 35 | Matthew J Kosc | Senior (40+) llSenior (40+) | 2019 | Kawasaki |
| 41 | Nathaniel Ingram | Senior (40+) llSenior (40+) | 2019 | Kawasaki |
| 1 | John Bowlin | Senior (45+)** llSenior (45+)** | 2019 | Kawasaki |
| 2 | Don Boespflug | Senior (45+)** llSenior (45+)** | 2019 | Kawasaki |
| 11 | Richard Silvers | Senior (45+)** llSenior (45+)** | 2019 | Kawasaki |
| 20 | Troy Assemany | Senior (45+)** llSenior (45+)** | 2019 | Kawasaki |
| 22 | Christopher Ruble | Senior (45+)** llSenior (45+)** | 2019 | Kawasaki |
| 26 | Jason A Heindl | Senior (45+)** llSenior (45+)** | 2019 | Kawasaki |
| 38 | Nathaniel Ingram | Senior (45+)** llSenior (45+)** | 2019 | Kawasaki |
| 42 | David A Jones | Senior (45+)** llSenior (45+)** | 2019 | Kawasaki |
| 1 | John E Grewe | Masters (50+) llMasters (50+) | 2019 | Kawasaki |
| 6 | Earl F May | Masters (50+) llMasters (50+) | 2019 | Kawasaki |
| 10 | James Mc Ilvaine | Masters (50+) llMasters (50+) | 2019 | Kawasaki |
| 12 | David A Jones | Masters (50+) llMasters (50+) | 2019 | Kawasaki |
| 19 | Donald R Bonnickson | Masters (50+) llMasters (50+) | 2019 | Kawasaki |
| 39 | John Munson | Masters (50+) llMasters (50+) | 2019 | Kawasaki |
| 17 | Bryce M Martinez | Women llWomen | 2019 | Kawasaki |
| 18 | Bryanne M Wolf | Women llWomen | 2019 | Kawasaki |
| 25 | Brianna Scheltema | Women llWomen | 2019 | Kawasaki |
| 26 | Shelby S Rolen | Women llWomen | 2019 | Kawasaki |
| 32 | Malisa Brauch | Women llWomen | 2019 | Kawasaki |
| 39 | Gussie Greenwell | Women llWomen | 2019 | Kawasaki |
| 2 | Stilez Robertson | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2019 | Kawasaki |
| 18 | Tristan Alexander | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2019 | Kawasaki |
| 20 | Jack Rogers | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2019 | Kawasaki |
| 23 | Bryce Hansen | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2019 | Kawasaki |
| 34 | Rylan Munson | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2019 | Kawasaki |
| 35 | Diesel Geerdts | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2019 | Kawasaki |
| 39 | Luca Marsalisi | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2019 | Kawasaki |
| 40 | Rylan Smith | Schoolboy 2 (12-17) B/C llSchoolboy 2 (12-17) B/C | 2019 | Kawasaki |
| 2 | Drew Adams | 85cc (10-12) Limited ll85cc (10-12) Limited | 2019 | Kawasaki |
| 5 | Thor Powell | 85cc (10-12) Limited ll85cc (10-12) Limited | 2019 | Kawasaki |
| 14 | Krystian Janik | 85cc (10-12) Limited ll85cc (10-12) Limited | 2019 | Kawasaki |
| 32 | Wyatt Mcgrath | 85cc (10-12) Limited ll85cc (10-12) Limited | 2019 | Kawasaki |
| 6 | Drew Adams | 85cc (10-12) ll85cc (10-12) | 2019 | Kawasaki |
| 16 | Krystian Janik | 85cc (10-12) ll85cc (10-12) | 2019 | Kawasaki |
| 21 | Thor Powell | 85cc (10-12) ll85cc (10-12) | 2019 | Kawasaki |
| 25 | Wyatt Mcgrath | 85cc (10-12) ll85cc (10-12) | 2019 | Kawasaki |
| 14 | Ryder Difrancesco | Mini Sr 1 (12-14) llMini Sr 1 (12-14) | 2019 | Kawasaki |
| 3 | Ryder Difrancesco | Mini Sr 2 (13-15) llMini Sr 2 (13-15) | 2019 | Kawasaki |
| 18 | Maddox Jarvis | Supermini 1 (12-15) llSupermini 1 (12-15) | 2019 | Kawasaki |
| 40 | Jacob Freedman | Supermini 1 (12-15) llSupermini 1 (12-15) | 2019 | Kawasaki |
| 40 | Jacob Freedman | Supermini 2 (13-16) llSupermini 2 (13-16) | 2019 | Kawasaki |
| 4 | Landrey J Hazen | Girls (11-16) llGirls (11-16) | 2019 | Kawasaki |
| 10 | Marina A Cancro | Girls (11-16) llGirls (11-16) | 2019 | Kawasaki |
| 14 | Anyssia J Ingersoll | Girls (11-16) llGirls (11-16) | 2019 | Kawasaki |
| 16 | Destynee Powers | Girls (11-16) llGirls (11-16) | 2019 | Kawasaki |
| 19 | Jada Murphy | Girls (11-16) llGirls (11-16) | 2019 | Kawasaki |
| 21 | Eleanor Ogden | Girls (11-16) llGirls (11-16) | 2019 | Kawasaki |
| 25 | Sara N Hale | Girls (11-16) llGirls (11-16) | 2019 | Kawasaki |
| 27 | Hannah Oakes | Girls (11-16) llGirls (11-16) | 2019 | Kawasaki |
| 29 | Brianna Nation | Girls (11-16) llGirls (11-16) | 2019 | Kawasaki |
| 36 | Cami M Young | Girls (11-16) llGirls (11-16) | 2019 | Kawasaki |
| 38 | Emily E Bean | Girls (11-16) llGirls (11-16) | 2019 | Kawasaki |
