| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | WATCKE, Daniel | JR | Hinsdale (Central) | 1:50.34 | |
| 2 | SCHREINER, Ryan | SR | Wheaton (North) | 1:55.72 | |
| 3 | HILTEBRAND, Brian | SR | Glenview (Glenbrook South) | 1:55.78 | |
| 4 | WASICK, Brett | SR | Bolingbrook | 1:56.09 | |
| 5 | SCHNEIDER, Parker | SR | Durand | 1:56.35 | |
| 6 | MOJONNIER, Eli | SR | Bismarck (B.-Henning-Rossvil | 1:56.44 | |
| 7 | SLACK, Garrett | SR | Lincoln | 1:56.47 | ran on 4/10 Rantoul |
| 8 | POLIZZI, Michael | JR | Chicago (Taft) | 1:56.89 | |
| 9 | JAMIESON, Patrick | SR | Winnetka (New Trier) | 1:57.03 | IL Prep Top Times |
| 10 | THORP, Sawyer | SR | Jefferson | 1:57.10 | |
| 11 | KENNEDY, Emmett | SR | Chicago (Lane) | 1:57.40 | |
| 12 | LEVY, Caleb | JR | Gurnee (Warren) | 1:57.53 |