| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | Devonte ELLARD | JR | East St. Louis (Sr.) | 5:05.76 | |
| 2 | Aidan WILLIAMS | JR | Greenville | 5:07.64 | |
| 3 | Isaiah SIMPSON-KOLMER | SO | Wood River (East Alton-W.R.) | 5:15.80 | |
| 4 | Carter HEMMER | JR | Springfield (Sacred Heart-Griffin) | 5:17.95 | |
| 5 | Noah MARKUS | SO | Breese (Central) | 5:18.98 | |
| 6 | Andrew SOLTERMANN | SO | Jacksonville (H.S.) | 5:21.59 | |
| 7 | Hunter PONCE | JR | Roxana | 5:22.94 | |
| 8 | Jack HUDSON | FR | Jacksonville (H.S.) | 5:27.08 | |
| 9 | Ross BROWN | FR | Taylorville | 5:28.57 | |
| 10 | Zachariah HART | FR | Springfield (Southeast) | 5:31.59 | |
| 11 | Perrin MCCOY | JR | Jerseyville (Jersey) | 5:33.48 | |
| 12 | Sam HUELSKAMP | SO | Highland | 5:42.24 | |
| 13 | Logan REED | FR | Breese (Central) | 5:42.29 |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | Owen MORGAN | JR | Taylorville | 4:23.49 | |
| 2 | Jackson COLLMAN | SR | Bethalto (Civic Memorial) | 4:25.46 | |
| 3 | DJ DUTTON | JR | Bethalto (Civic Memorial) | 4:31.24 | |
| 4 | Drew TWYMAN | SO | Troy (Triad) | 4:37.40 | |
| 5 | Aidan LOEFFELMAN | SR | Wood River (East Alton-W.R.) | 4:44.85 | |
| 6 | Michael WILSON | SO | Greenville | 4:51.95 | |
| 7 | Jack ARENDS | JR | Rochester | 4:53.73 | |
| 8 | Ryan HARDY | SR | Rochester | 4:53.95 | |
| 9 | Anthony HARDIN | FR | Roxana | 4:57.52 | |
| 10 | Cedar NGIRAMOLI | JR | Springfield (Lanphier) | 4:57.99 | |
| 11 | Logan WADE | FR | Jerseyville (Jersey) | 5:01.04 | |
| 12 | Ryan SHEA | SR | Springfield (Sacred Heart-Griffin) | 5:01.55 | |
| 13 | Jacob METCALF | JR | Troy (Triad) | 5:02.41 | |
| 14 | Braden WAKELEY | SR | Highland | 5:02.74 |