| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | DOUGLAS, Silas | Bremen High School | NT |
| 2 | QUIROZ, Armando | Oak Forest High School | NT |
| 3 | HUMPHRIES, Aamond | Tinley Park High School | 49.84 |
| 4 | BAGNARA, Brandan | Oak Forest High School | 52.74 |
| 5 | VACA, Isaac | Bremen High School | NT |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | RUSH, Ajani | Hillcrest High School | 45.34 |
| 2 | ARNOLD, Navonte | Thornton Fractional South High S | 43.59 |
| 3 | CARMICHAEL, Matas | Lemont High School | 43.44 |
| 4 | JETER, Khalil | Thornton Fractional South High S | 43.54 |
| 5 | QUIJANO, Justin | Thornton Fractional North High S | 44.89 |
| 6 | HOWER-GARDNER, Terrance | Tinley Park High School | 46.64 |