| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 1 | SIUDA, Eddie | Downers Grove (South) | 4:26.23 | |
| 2 | HAFFNER, Brett | Hinsdale South | 4:32.68 | |
| 3 | GHOSH, Akhil | Downers Grove (South) | 4:38.58 | |
| 4 | VARGAS, Luis | Addison Trail | 4:38.74 | |
| 5 | JOSEPH, Chris | Hinsdale South | 4:38.77 | |
| 6 | O'CAMPO, Pedro | Morton | 4:43.00 | |
| 7 | ENRIQUEZ, Andres | Morton | 4:52.00 | |
| 8 | ISAACSON, Michael | Willowbrook | 4:55.72 | |
| 9 | CERVANTES, Julio | Addison Trail | 4:59.03 | |
| 10 | SPROVIERI, Nathan | Willowbrook | 5:13.45 | |
| 11 | PEREZ-URBINA, Ivan | Franklin Park-Northlake (Ley | NT | |
| 12 | SNIEZEK, Bart | Franklin Park-Northlake (Ley | NT |