| Lane | Team | Squad | Seed | Note | 
|---|---|---|---|---|
| 3 | Elk Grove Village (E.G.) | A | DQ | |
| 4 | Palatine (Fremd) | A | 1:41.00 | |
| 5 | Hoffman Estates (Conant) | A | 1:42.68 | 
| Lane | Team | Squad | Seed | Note | 
|---|---|---|---|---|
| 3 | Hoffman Estates (H.S.) | A | 1:40.44 | |
| 4 | Palatine (H.S.) | A | 1:37.39 | |
| 5 | Barrington | A | 1:39.00 | |
| 6 | Arlington Heights (Hersey) | A | 1:40.47 | 
| Lane | Team | Squad | Seed | Note | 
|---|---|---|---|---|
| 3 | Rolling Meadows | A | 1:36.56 | |
| 4 | Buffalo Grove | A | 1:33.30 | |
| 5 | Mt. Prospect (Prospect) | A | 1:33.97 | |
| 6 | Schaumburg | A | 1:37.00 |