| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | MILAM, Ethan | SR | Francis Howell High School | 51.57 | Verified |
| 2 | BAILEY, Bernard | SR | Rock Bridge High School | 50.31 | Verified |
| 3 | HOWARD, Malachi | SR | Blue Springs South High School | 49.36 | Verified |
| 4 | GRIFFIN, Keith | JR | Blue Springs High School | 48.78 | Verified |
| 5 | GREEN, Marquavious | JR | Ft. Zumwalt West High School | 50.25 | Verified |
| 6 | GILES, Justin | SO | Rock Bridge High School | 49.85 | Verified |
| 7 | MILLER, Brayden | SR | Ft. Zumwalt North High School | 50.66 | Verified |
| 8 | WILLIAMS, Reid | SO | Francis Howell High School | 51.71 | Verified |