| Lane | Team | Squad | Seed |
|---|---|---|---|
| 2 | Chicago (Lake View) | A | 2:04.00 |
| 3 | Chicago (Taft) | A | 1:58.00 |
| 4 | Chicago (Westinghouse College Prep) | A | 1:58.49 |
| Lane | Team | Squad | Seed |
|---|---|---|---|
| 1 | Elmhurst (IC Catholic) | A | 1:56.87 |
| 2 | Evanston (Twp.) | A | 1:53.00 |
| 3 | Chicago (Simeon) | A | 1:51.00 |
| 4 | Glenbard West | A | 1:51.64 |
| 5 | Palatine (Fremd) | A | 1:55.00 |
| Lane | Team | Squad | Seed |
|---|---|---|---|
| 1 | Proviso West | A | 1:51.00 |
| 2 | DeKalb | A | 1:46.25 |
| 3 | East St. Louis | A | 1:44.00 |
| 4 | Chicago (Kenwood) | A | 1:46.11 |
| 5 | Kankakee (Sr.) | A | 1:50.52 |
| 6 | Niles North | A | 1:51.00 |