| Lane | Team | Squad | Seed |
|---|---|---|---|
| 1 | Oak Forest | A | 2:22.00 |
| 2 | Tinley Park | A | 2:07.00 |
| 3 | Andrew | A | 2:02.00 |
| 4 | Willowbrook | A | 2:00.00 |
| 5 | Burbank (Reavis) | A | 2:00.36 |
| 6 | Romeoville | A | 2:02.49 |
| 7 | Amos Alonzo Stagg | A | 2:09.00 |
| Lane | Team | Squad | Seed |
|---|---|---|---|
| 1 | J. Sterling Morton Township | A | 1:56.85 |
| 2 | Chicago Heights (Bloom Twp.) | A | 1:55.50 |
| 3 | Marian Catholic | A | 1:53.25 |
| 4 | Olympia Fields (Rich Central) | A | 1:46.02 |
| 5 | Mother Mcauley | A | 1:52.00 |
| 6 | Shepard | A | 1:55.00 |
| 7 | Joliet (West) | A | 1:56.20 |
| 8 | Oak Lawn (Community) | A | 1:57.00 |