| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 2 | Springfield | A | Walden | Bonasinga | Sosmena | Brown | 3:52.65 | |
| 3 | Quincy | A | Homan | Altman | Hess | MacDonough | 3:43.58 | |
| 4 | Columbia | A | Steele | Donavan | Curtis | Mueth | 3:43.00 | |
| 5 | Granite City | A | Dean | Clutts | Wilson | Davis | 3:43.14 | |
| 6 | Murphysboro | A | Maynor | Witzman | Kellum | Horstmann | 3:48.71 | 37th Annual Marion Boys Track Relays |
| 7 | Civic Memorial | A | Atteberry | Gares | Zampieri | Wooten | 3:54.00 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Highland | A | Mancinas | Smith | Basden | Steinbeck | 3:36.24 | |
| 2 | Collinsville | A | Yarbough | Nelson | Peterson | Strong | 3:33.30 | |
| 3 | Lanphier | A | Robinson | Holmes | Harris | Smith | 3:31.52 | |
| 4 | Alton | A | McClaine | Whitfield | Harris | Elliott-Barnes | 3:30.94 | |
| 5 | Carbondale | A | Dedecker | Roper | Gleason | Badejo | 3:31.35 | |
| 6 | Waterloo | A | Brewer | Corey | Huebner | Kettler | 3:31.56 | |
| 7 | Freeburg | A | Duffie | Pluff | Banks | Frech | 3:36.14 | |
| 8 | Centralia | A | Bratton | Hill | Coriell | Green | 3:39.54 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Mascoutah | A | Feldt | Williams | Ellsworth | Killian | 3:30.45 | |
| 2 | Glenwood | A | Morsch | Paztia | Tode | Verenski | 3:29.50 | |
| 3 | Cahokia | A | Pennington | Raiford | Lyons | Deloach | 3:25.67 | |
| 4 | East St. Louis | A | Cross | Ivy | Montgomery | Stepney | 3:22.90 | |
| 5 | Belleville West | A | Abram | Mcclean | Henderson | Fountian | DNS | |
| 6 | Edwardsville | A | Valdez | Wilson | Lakatos | Heavens | 3:27.06 | |
| 7 | Belleville East | A | Fulton-Wilson | Jones | Pete | Wright | 3:30.00 | |
| 8 | St. Mary's (St. Louis) | A | Leonard | Washington | Guyton | Valentine | DNS |