| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | MROTZEK, Sebastian | 6 | Percy Julian | NT | |
| 3 | CARLSON, Quincy | 7 | Big Hollow | NT | |
| 4 | TECZA, Jacob | 7 | Lake Zurich South | 27.74 | |
| 5 | PEREZ, Will | 7 | Lake Zurich South | 22:54.00 | |
| 6 | LATTA, Aidan | 7 | Lake Zurich North | NT | |
| 7 | HU-LOWENTHAL, Aiden | 6 | Latin School of Chicago | NT |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | STELIGA, Ben | 8 | Barrington-Prairie Campus | 22.84 | |
| 2 | RATH, Conlan | 6 | Matthews | 22.20 | |
| 3 | ORTIZ, Christian | 7 | Park | 21.60 | |
| 4 | VEIL, Brayden | 6 | Lake Zurich North | 20.80 | |
| 5 | CHRISTENSEN, Colin | 6 | Matthews | 21.57 | |
| 6 | GERA, Lucas | 6 | Antioch Upper | 22.10 | |
| 7 | PETERS, Jake | 6 | Hawthorn North | 22.28 | |
| 8 | STANTON, Adin | 7 | Park | 23.60 |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | TYREE, Jacob | 7 | Big Hollow | 20.48 | |
| 2 | FANG, Roger | 6 | Hawthorn South | 20.00 | |
| 3 | HORNUNG, Mark | 7 | Grayslake | 20.00 | |
| 4 | SMITH, Caden | 7 | Grayslake | 19.57 | |
| 5 | SLAVISH, Jake | 7 | Hawthorn North | 19.76 | |
| 6 | M, Rudy | 6 | Hawthorn South | 20.00 | |
| 7 | RODRIGUEZ, Antonio | 6 | Antioch Upper | 20.43 | |
| 8 | HUSBY, Gibson | 8 | Barrington-Prairie Campus | 20.64 |