| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed |
|---|---|---|---|---|---|---|---|
| 3 | Collinsville | A | Rodgers | Richardson | Harris | Tanner | NT |
| 4 | Highland | A | Hollenkamp | Imming | Noeltner | Schwarz | 1:50.00 |
| 5 | Shelbyville | A | Lockart | Clark | Koehler | McNees | DNS |
| 6 | Pleasant Plains | A | Western | Cain | Glisson | Diveley | 1:47.00 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed |
|---|---|---|---|---|---|---|---|
| 1 | Jersey | A | Winthrow | Cox | Schultz | Kahl | 1:45.00 |
| 2 | Triad | A | Darby | Wolf | Harmon | Boeren | 1:42.50 |
| 3 | Alton | A | Gilchrese | Singleton | Stanford | Butler | 1:42.00 |
| 4 | Mascoutah | A | Allen | France | Scott | Boles | 1:42.00 |
| 5 | Belleville West | A | Calvin | Collins | Nicholson | Brown | 1:40.00 |
| 6 | Granite City | A | Johnson | Galloway | Westfall | White | 1:40.00 |