| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | JACKSON, LeAndrick | JR | Blue Island (Eisenhower) | 54.70 | |
| 2 | WOLNIAKOWSKI, Ryan | JR | New Lenox (Providence Catholic) | 50.44 | |
| 3 | AMOS, Timothy | SR | Oak Lawn (Richards) | 46.87 | |
| 4 | JENNINGS, Jacob | JR | Palos Hills (Stagg) | 45.60 | |
| 5 | GRONSKI, Kacper | JR | Palos Heights (Shepard) | 46.31 | |
| 6 | ALI, Ahmad | JR | Blue Island (Eisenhower) | 49.66 | |
| 7 | ALVAREZ, Gabriel | SR | Oak Lawn (Richards) | 51.88 |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | MOSBY, Devontrae | JR | Palos Heights (Shepard) | 45.49 | |
| 2 | VAN WYK, Zachary | FR | Palos Heights (Chicago Christian) | 44.95 | |
| 3 | MCCLARY, Treagan | JR | Joliet (West) | 44.05 | |
| 4 | MASAITIS, Deividas | JR | Palos Hills (Stagg) | 40.99 | |
| 5 | HORAK, Jude | SR | New Lenox (Providence Catholic) | 41.10 | |
| 6 | GOBLE, Obadiah | FR | Palos Heights (Chicago Christian) | 44.20 | |
| 7 | POLACEK, Tommy | SO | Joliet (West) | 45.00 |