| Lane | Team | Squad | Seed | Note |
|---|---|---|---|---|
| 2 | Chicago (Washington) | B | NT | |
| 3 | Perspectives IIT Math and Science | A | NT | |
| 4 | Chicago (Washington) | A | 50.37 | |
| 5 | Chicago (Kennedy) | A | DQ | |
| 6 | Chicago (C. Vocational) | A | NT |
| Lane | Team | Squad | Seed | Note |
|---|---|---|---|---|
| 1 | Chicago (Sullivan) | B | DNS | |
| 2 | Chicago (Perspectives Charter/Calumet) | B | DNS | |
| 3 | Chicago (Perspectives Charter/Calumet) | A | 46.50 | |
| 4 | South Shore Int'l Prep | A | 44.25 | |
| 5 | Chicago (Kenwood) | A | 45.01 | |
| 6 | Chicago (Sullivan) | A | 46.90 | |
| 7 | Pritzker | A | 49.19 |