| Lane | Team | Squad | Seed | Note |
|---|---|---|---|---|
| 1 | Chicago (Taft) | A | 2:01.30 | |
| 2 | Belvidere | A | 1:57.50 | |
| 3 | Morton | A | 1:53.42 | |
| 4 | Mt. Prospect (Prospect) | A | 1:53.00 | |
| 5 | Roselle (Lake Park) | A | 1:53.28 | |
| 6 | Buffalo Grove | A | 1:55.67 | |
| 7 | Bartlett | A | DQ | |
| 8 | Riverside (R.-Brookfield) | A | 2:06.50 |
| Lane | Team | Squad | Seed | Note |
|---|---|---|---|---|
| 1 | Joliet (West) | A | 1:51.40 | |
| 2 | Belvidere (North) | A | 1:50.52 | |
| 3 | Rockford (Guilford) | A | DQ | |
| 4 | Chicago (Westinghouse Colleg | A | 1:46.56 | |
| 5 | Conant | A | 1:47.43 | |
| 6 | Minooka | A | 1:49.31 | |
| 7 | Lombard (Montini) | A | 1:50.96 | |
| 8 | Hoffman Estates | A | 1:52.00 |