| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 2 | KLIEN, Colin | SR | Elgin (H.S.) | 49.57 |
| 3 | AVERY, Jackson | FR | Geneva | 47.74 |
| 4 | PATEL, Shaan | SR | Elgin (H.S.) | 45.79 |
| 5 | CHUNG, Danny | JR | Aurora (Marmion Academy) | 45.96 |
| 6 | MAY, Charles | SR | West Chicago (H.S.) | 48.23 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | NEAL, Trevor | SO | Maple Park (Kaneland) | 45.26 |
| 2 | KOSTAS, Jack | SR | St. Charles (East) | 44.75 |
| 3 | FARIAS, Diego | JR | Carpentersville (Dundee-Crown) | 44.18 |
| 4 | GRABACKI, Drew | SR | Aurora (Marmion Academy) | 43.47 |
| 5 | BROMET, Zach | SR | Barrington | 44.04 |
| 7 | MATHEWS, Ben | SO | Batavia | 44.80 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | ANDERSEN, Erik | SR | St. Charles (North) | 42.76 |
| 2 | IRWIN, Josh | SR | Geneva | 42.14 |
| 3 | SCHORSCH, Drew | SR | Barrington | 41.30 |
| 4 | STUBBS, Jamarion | JR | Elgin (Larkin) | 40.64 |
| 5 | ALLEN, Ted | SR | Maple Park (Kaneland) | 41.23 |
| 6 | TUCKER, Reilly | SR | St. Charles (North) | 41.41 |
| 7 | FRONK, Liam | SR | St. Charles (East) | 42.18 |