| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 2 | NGUYEN, Jayden | SO | Hoffman Estates (Conant) | NT |
| 3 | MATEI, Anthony | SR | Buffalo Grove | 49.90 |
| 5 | PROMMER, Andrew | SR | Buffalo Grove | 49.70 |
| 6 | CHANG, Ian | JR | Hoffman Estates (Conant) | NT |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | KOY, Connor | SR | Winnetka (New Trier) | 44.21 |
| 2 | BROWN, Joseph | SO | Belvidere (North) | 43.64 |
| 3 | TUCHNER, Bryce | SR | Mt. Prospect (Prospect) | 41.89 |
| 4 | SHAPIRO, Nathan | SR | Glenview (Glenbrook South) | 40.37 |
| 5 | SCHAEFER, Ryan | JR | Glenview (Glenbrook South) | 40.51 |
| 6 | WESTFALLEN, Liam | JR | Mt. Prospect (Prospect) | 43.01 |
| 7 | PANZER, Lennart | SR | Winnetka (New Trier) | 44.11 |
| 8 | SOMA, Nolan | SR | Belvidere (North) | 44.50 |