| Lane | Team | Squad | Seed |
|---|---|---|---|
| 1 | Richton Park (Rich Township) | A | NT |
| 2 | Normal (Community West) | A | 1:40.28 |
| 3 | Aurora (Waubonsie Valley) | A | 1:55.69 |
| Lane | Team | Squad | Seed |
|---|---|---|---|
| 1 | Naperville (North) | A | 1:36.74 |
| 2 | Tinley Park (Andrew) | A | 1:35.50 |
| 3 | Plainfield (South) | A | 1:36.00 |
| 4 | Plainfield (East) | A | 1:38.00 |