| Lane | Athlete | Yr. | Team | Seed | Note | 
|---|---|---|---|---|---|
| 2 | LIGDA, Cooper | SO | Palatine (Fremd) | NT | |
| 3 | CORONEOS, Jon | JR | Palatine (H.S.) | 45.64 | |
| 4 | MADDEN, John | SR | Palatine (Fremd) | NT | |
| 5 | KHAN, Hamza | FR | Palatine (H.S.) | 46.65 | |
| 6 | HARRIS, Will | SR | Palatine (Fremd) | NT | |
| 7 | BRACK, Tyson | JR | Palatine (H.S.) | 54.53 | |
| 8 | JOHN, Rohan | JR | Palatine (Fremd) | NT |