| Lane | Team | Squad | Seed | 
|---|---|---|---|
| 2 | Park Ridge (Maine East) | A | 3:52.93 | 
| 3 | Lombard (Glenbard East) | A | 3:46.98 | 
| 4 | Hoffman Estates (H.S.) | A | 3:45.00 | 
| 5 | Addison (A. Trail) | A | 3:46.00 | 
| 6 | Hoffman Estates (Conant) | A | 3:47.00 | 
| 7 | Franklin Park-Northlake (Leyden) | A | 4:01.16 | 
| Lane | Team | Squad | Seed | 
|---|---|---|---|
| 1 | Mt. Prospect (Prospect) | A | 3:38.88 | 
| 2 | Glen Ellyn (Glenbard West) | A | 3:36.16 | 
| 3 | Hillside (Proviso West) | A | 3:33.00 | 
| 4 | Minooka | A | 3:29.09 | 
| 5 | Richmond (R.-Burton) | A | 3:31.59 | 
| 6 | Zion (Z.-Benton) | A | NT | 
| 7 | Schaumburg | A | NT | 
| 8 | Park Ridge (Maine South) | A | 3:40.00 |