| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | MAGILL, Levi | Rochelle Zell Jewish | NT |
| 2 | GOPAR, Kevin | Chicago (Holy Trinity) | 1:12.37 |
| 3 | GRAY, Lyle | Chicago (Holy Trinity) | 1:07.89 |
| 4 | SCHAFFER, Chamarius | Chicago (Christ the King) | 1:02.37 |
| 5 | TORRES, Carlos | Chicago (CICS/Northtown) | 1:03.40 |
| 6 | BOI, David | Chicago (CICS/Northtown) | 1:12.16 |
| 7 | PERCY, Joseph | Chicago (Providence-St. Mel) | NT |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | DIXON, Daecobi | Chicago (CICS/Ellison) | 58.85 |
| 2 | MENDOZA, Daniel | Chicago (C. Hope Academy) | 56.69 |
| 3 | CZUBERNAT, Jacob | Melrose Park (Walther Christian) | 52.76 |
| 4 | HERENTON, Samuel | Chicago (Providence-St. Mel) | 49.74 |
| 5 | SKINNER, Xavier | Melrose Park (Walther Christian) | 52.64 |
| 6 | GORDON, Kenyon | Chicago (Christ the King) | 54.78 |
| 7 | SMITH, Javey | Chicago (C. Hope Academy) | 57.90 |
| 8 | CAMPBELL, Joshua | Chicago (CICS/Ellison) | 59.14 |