| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | Lopardo, Dominic | SO | Lisle (Sr) | 53.09 | |
| 4 | Hook, Collin | SO | Rockford Christian | 43.90 | |
| 5 | Shubin, Nathan | JR | Chicago (University) | 48.95 |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | King, Kaden | SO | Fairbury (Prairie Central) | 43.60 | |
| 2 | Fulcomer, Noah | SR | Rockford Christian | 43.50 | |
| 3 | Pippen, Jonah | SR | Lansing (Thornton Fractional South) | 42.76 | |
| 4 | Dixon, Cydney | JR | Lansing (Thornton Fractional South) | 41.15 | |
| 5 | Batres, Nathan | JR | Yorkville | 41.29 | |
| 6 | Yurkovich, George | JR | Oswego (East) | 43.23 | |
| 7 | Palmore, Collier | SR | Fairbury (Prairie Central) | 43.51 | |
| 8 | Matyszka, Luke | JR | Oswego (East) | 43.80 |