| MR | Fox Valley Conf Boys | 38.60 | Brad Thornton 2003, Tom Zozokos 2005 | Cary-Grove, Dundee-Crown | 2003 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 3 | NICCHIA, Johnny | SO | Crystal Lake (South) | 48.74 |
| 4 | MACDONALD, Aiden | SR | Hampshire | 46.79 |
| 5 | BROSSARD, Keel | SO | Crystal Lake (Prairie Ridge) | 46.92 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | CARLINO, Elliott | JR | Crystal Lake (Prairie Ridge) | 46.04 |
| 2 | HENRIQUES, Gavin | SO | Cary (C.-Grove) | 45.84 |
| 3 | ZAGORSKI, Landon | SO | McHenry | 45.44 |
| 4 | BELL, Jayden | JR | Huntley | 44.69 |
| 5 | ABREU, Sebastian | SR | Hampshire | 45.20 |
| 6 | SIKORA, Matthew | SR | McHenry | 45.44 |
| 7 | HINTHORNE, Reid | SR | Algonquin (Jacobs) | 45.85 |
| 8 | BORZYCH, Logan | SO | Huntley | 46.68 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | WANG, Gavin | SR | Crystal Lake (Central) | 44.34 |
| 2 | POSECION, Liam | JR | Carpentersville (Dundee-Crown) | 43.66 |
| 3 | FARIAS, Diego | SR | Carpentersville (Dundee-Crown) | 42.56 |
| 4 | MILAS, Nolan | JR | Burlington (Central) | 41.26 |
| 5 | TEGEL, Jonathan | JR | Crystal Lake (Central) | 41.90 |
| 6 | ALVARADO, Carter | JR | Crystal Lake (South) | 42.69 |
| 7 | MCTAGUE, Devan | SO | Algonquin (Jacobs) | 43.71 |
| 8 | KOWALL, Joseph | SO | Burlington (Central) | 44.45 |