Southern Illinois 100 presented by Lucas Oil
DuQuoin State Fairgrounds
Practice results:
| Pos. | Car No. | Driver | Sponsor, OEM | Best Time | Best Speed | In Lap | Laps | Diff. |
| 1 | 15 | Jesse Love* | Mobil 1 Toyota | 36.037 | 99.897 | 21 | 24 | |
| 2 | 16 | Kelly Kovski | Schluckebier Farms Chevrolet | 36.281 | 99.225 | 4 | 6 | 0.244 |
| 3 | 24 | Ryan Unzicker | Hummingbird/RJR Transportation Chevrolet | 36.545 | 98.509 | 9 | 9 | 0.508 |
| 4 | 20 | Corey Heim* | Craftsman Toyota | 37.649 | 95.62 | 15 | 15 | 1.612 |
| 5 | 18 | Ty Gibbs* | Joe Gibbs Racing Toyota | 37.983 | 94.779 | 11 | 12 | 1.946 |
| 6 | 2 | Landen Lewis* | L&A South Tire/Lou Lous Waterfront Resurant Chevrolet | 38.023 | 94.68 | 12 | 13 | 1.986 |
| 7 | 10 | Ken Schrader | Kuttawa Fire Department Toyota | 38.876 | 92.602 | 3 | 3 | 2.839 |
| 8 | 25 | Toni Breidinger* | VMS Toyota | 40.501 | 88.887 | 11 | 14 | 4.464 |
| 9 | 46 | Taylor Gray* | DGR Ford | 41.249 | 87.275 | 4 | 4 | 5.212 |
| 10 | 1 | Tim Monroe* | Carolina SIM Works Chevrolet | 41.419 | 86.917 | 4 | 4 | 5.382 |
| 11 | 27 | Zachary Tinkle* | Latino Immigration & Legal Center Toyota | 43.204 | 83.326 | 6 | 14 | 7.167 |
| 12 | 11 | Owen Smith* | PedalinPup.com Ford | 44.129 | 81.579 | 3 | 3 | 8.092 |
| 13 | 12 | D.L. Wilson* | FastTrackRacing.com Toyota | 44.376 | 81.125 | 3 | 3 | 8.339 |
| 14 | 48 | Brad Smith | Henshaw Custom Automation Chevrolet | 52.992 | 67.935 | 2 | 3 | 16.955 |
| 15 | 6 | Wayne Peterson | GreatRailing.com Chevrolet | 01:16.6 | 47.015 | 1 | 1 | 40.535 |
