| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 |
|---|---|---|---|---|---|---|
| 2 | Belleville East | A | Fuller | Wittenuaer | Patton | Peals |
| 3 | Effingham | A | Wagner | Spicer | Lotz | Hill |
| 4 | Andrew | A | Sternberg | Gibbons | Zamudio | Marynowski |
| 5 | Triad | A | Pace | Dempsey | Venhaus | Twyman |
| 6 | Highland | A | Wallace | Fridley | Brock | Mancinas |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 |
|---|---|---|---|---|---|---|
| 1 | Mt. Vernon | A | Lusby | Cook | Bathon | Halama |
| 2 | O'Fallon | A | Suggs | Faver | Wade | Thoman |
| 3 | Edwardsville | A | Lakatos | Wilkerson | Kitchen | Uder |
| 4 | St. Mary's (St. Louis) | A | Strong | Green | Horton | Guyton |
| 5 | Plainfield North | A | Brennan | Farnum | Pauly | Amoo-Otoo |
| 6 | Collinsville | A | Nelson | Munoz | Stallings | Johnson |
| 7 | Cahokia | A | Taylor | Moore | Devine | Howard |
| 8 | Mascoutah | A | Feldt | Ellsworth | Owens | Carr |