| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | PIPER, Ethan | SO | Bradley (B.-Bourbonnais) | 4:42.81 | |
| 2 | HOFF, Ethan | SR | New Lenox (Lincoln-Way Central) | 4:43.35 | |
| 3 | BEST, Damarion | JR | Flossmoor (Homewood-F.) | 4:45.68 | |
| 4 | ETHRIDGE, Jackson | SO | New Lenox (Lincoln-Way West) | 4:50.06 | |
| 5 | EMBRY, Anthony | SR | Bradley (B.-Bourbonnais) | 4:50.55 | |
| 6 | ZVEJNIEKS, Jack | SR | Tinley Park (Andrew) | 5:12.46 | |
| 7 | RIGONI, Noah | SR | Palos Hills (Stagg) | 5:13.86 | |
| 8 | COGAN, Colin | SO | New Lenox (Lincoln-Way West) | 5:29.10 |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | GIBLIN, Grant | JR | Orland Park (Sandburg) | 4:20.67 | |
| 2 | BARHAM, Luke | JR | Palos Hills (Stagg) | 4:24.82 | |
| 3 | ROBERTS, Jack | SR | Frankfort (Lincoln-Way East) | 4:29.08 | |
| 4 | JENSEN, Evan | JR | New Lenox (Lincoln-Way Central) | 4:29.62 | |
| 5 | HANRAHAN, Sean | SO | Frankfort (Lincoln-Way East) | 4:31.91 | |
| 6 | EPLEY, Habtamu | JR | Flossmoor (Homewood-F.) | 4:33.98 | |
| 7 | ALMOUSAWI, Hussein | JR | Bolingbrook | 4:34.32 | |
| 8 | ATZMAN, Luke | SO | Orland Park (Sandburg) | 4:34.50 | |
| 9 | DE FARNO, Vincent | JR | Bolingbrook | 4:35.11 | |
| 10 | VALCICH, Cameron | JR | Lockport (Twp.) | 4:35.76 | |
| 11 | DEVRIENDT, Reese | JR | Tinley Park (Andrew) | 4:36.71 | |
| 12 | POWLEY, Nathan | JR | Lockport (Twp.) | 4:39.33 |