| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | HORITA, Devin | SR | Carpentersville (Dundee-Crown) | 57.50 | Unverified: |
| 4 | GERFEN, Jacob | SR | Antioch | 57.00 | Unverified: Dual Meet-Wauconda |
| 5 | MARTORANO, Anthony | SO | Vernon Hills | 57.10 | Unverified: |
| 6 | KRUSELY, Noah | JR | Antioch | 1:01.69 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | WEHDE, Tyler | JR | Machesney Park (Harlem) | 56.20 | Unverified: Harlem Invite |
| 2 | EHLERS, Logan | SO | Maple Park (Kaneland) | 55.80 | Unverified: |
| 3 | SHOUFER, Eli | SO | Crystal Lake (Prairie Ridge) | 55.64 | Unverified: @CLC FVC Quad |
| 4 | VALADEZ, Saul | JR | Round Lake High School | 55.11 | Verified |
| 5 | POULOS, Demetri | JR | Vernon Hills | 55.54 | Verified |
| 6 | MCINTYRE, Mason | FR | Crystal Lake Central High School | 55.79 | Verified |
| 7 | WINTERS, Aaron | SR | Belvidere (North) | 56.10 | Verified |
| 8 | VUORENMAA, Ramsey | SR | Burlington (Central) | 56.59 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | DURNIL, Austin | SR | Machesney Park (Harlem) | 55.01 | Unverified: Rock Island Invite |
| 2 | DEMAKIS, Jack | SO | Crystal Lake (Prairie Ridge) | 53.68 | Unverified: Bartlett/Elgin Invite |
| 3 | DURCAN, James | JR | Crystal Lake Central High School | 53.30 | Verified |
| 4 | BROWN, Jamariel | SR | Round Lake High School | 51.70 | Verified |
| 5 | BROWN, Braeden | SO | Belvidere (North) | 52.90 | Verified |
| 6 | ALLEN, Nolan | SR | Maple Park (Kaneland) | 53.33 | Verified |
| 7 | HINKLEMAN, Adam | SO | Burlington (Central) | 54.62 | Unverified: central high school boys tri |
| 8 | PETINAUX, Alex | SR | Carpentersville (Dundee-Crown) | 55.01 | Unverified: |