Section 1 of 2
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | DORSEY, Jeremiah | JR | Hazelwood East High School | NT | Unverified: |
| 4 | MILLER, Fabian | 9 | Francis Howell North High School | 50.49 | Verified |
| 5 | HAUCK, Alexander | JR | Parkway North High School | NT | Unverified: |
| 6 | WILLIAMS, LaDarius | SO | Hazelwood East High School | NT | Unverified: |
Section 2 of 2
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | HOLLAND, Chris | JR | Northwest (Cedar Hill) High Scho | 48.86 | Verified |
| 2 | BROWN, Deion | SO | Kirkwood High School | 47.01 | Unverified: |
| 3 | BROWN, Derrick | JR | Marquette High School | 45.81 | Verified |
| 4 | PEARSON, Dallas | SR | Northwest (Cedar Hill) High Scho | 43.96 | Verified |
| 5 | GARNER, Pernell | SR | Lafayette (Wildwood) High School | 44.01 | Verified |
| 6 | MOORE, Donteaus | SO | Parkway West High School | 46.14 | Verified |
| 7 | SMITH, Hannon | SO | Kirkwood High School | 48.24 | Unverified: |
| 8 | KELLY, Ian | SO | Francis Howell North High School | 50.03 | Verified |
