| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed |
|---|---|---|---|---|---|---|---|
| 3 | Collinsville | A | 3:52.80 | ||||
| 4 | Mascoutah | A | 3:49.10 | ||||
| 5 | Triad | A | 3:51.00 | ||||
| 6 | Jersey | A | 4:00.00 | ||||
| 7 | Highland | A | 3:49.30 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed |
|---|---|---|---|---|---|---|---|
| 1 | Springfield Southeast | A | 3:48.41 | ||||
| 2 | Edwardsville | A | 3:43.00 | ||||
| 3 | Marion | A | 3:42.00 | ||||
| 4 | Cahokia | A | 3:38.00 | ||||
| 5 | Belleville West | A | 3:38.10 | ||||
| 6 | Harrisburg | A | NT | ||||
| 7 | Alton | A | 3:49.00 | ||||
| 8 | Granite City | A | 3:49.00 |