| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | Jesus BASILLO MUJICO | 8 | Washington (Chicago Heights) | NT |
| 2 | Avandre MCKENZIE | 8 | Washington (Chicago Heights) | NT |
| 3 | Ricky WALLACE | 8 | Prairie-Hills | NT |
| 4 | Michael HOLMES | 8 | Bradley Central | 1:25.14 |
| 5 | Tyler MATTISON | 8 | Prairie-Hills | NT |
| 6 | Ahmeed MINTER | 8 | Prairie-Hills | NT |
| 7 | Khalen COLEMAN | 8 | Washington (Chicago Heights) | NT |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | Tyler MENARD | 8 | Kankakee | 1:15.84 |
| 2 | Jayden LEE | 8 | Kankakee | 1:08.84 |
| 3 | Kyron BIRK | 8 | Bradley Central | 1:05.37 |
| 4 | Cameryn GOULD | 8 | Franklin (Champaign) | 1:03.44 |
| 5 | Xavier BARR | 7 | Jefferson (Champaign) | 1:04.21 |
| 6 | Nathan DAVIS | 8 | Franklin (Champaign) | 1:07.51 |
| 7 | Nikolas KESLER | 8 | Franklin (Champaign) | 1:10.96 |
| 8 | Dayshawn BROWN | 8 | Kankakee | 1:17.14 |