| Lane | Athlete | Yr. | Team | Seed | Note | 
|---|---|---|---|---|---|
| 2 | TANACEA, Ian | FR | Oak Park (O.P.-River Forest) | NT | |
| 3 | BLEW, Jacob | FR | Glen Ellyn (Glenbard West) | NT | |
| 4 | BURDA, Alex | SO | Downers Grove (North) | 53.33 | |
| 5 | CUSHING, Colin | FR | LaGrange (Lyons) | 53.58 | |
| 6 | SIMO, Fred | SO | Glen Ellyn (Glenbard West) | NT | 
| Lane | Athlete | Yr. | Team | Seed | Note | 
|---|---|---|---|---|---|
| 1 | STAUBER, Aidan | SO | LaGrange (Lyons) | 52.16 | |
| 2 | FARMER, Nolan | SO | Hillside (Proviso West) | 50.78 | |
| 3 | NICHOLS, Khalil | SO | Oak Park (O.P.-River Forest) | 46.57 | |
| 4 | GREETIS, Sean | FR | Elmhurst (York) | 43.33 | |
| 5 | SHAH, Avi | SO | Elmhurst (York) | 45.99 | |
| 6 | SEGERS, Austin | SO | Hinsdale (Central) | 47.58 | |
| 7 | LUMPKIN, James | FR | Downers Grove (North) | 50.92 | |
| 8 | KRUSE, Zach | FR | Hinsdale (Central) | 52.87 |