| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | WILLIAMS, De Vin | FR | Ft. Zumwalt East High School | 54.67 | Verified |
| 4 | LAWSON, Dane | SO | North Point High School | 47.96 | Verified |
| 5 | NORRIS, Ryan | JR | Ft. Zumwalt East High School | 49.40 | Verified |
| 6 | THORNTON, Don | FR | Francis Howell Central High Scho | NT |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | WIGGS, Blake | SR | St. Charles High School | 45.00 | Unverified: |
| 2 | PAUL, Dylan | SO | North Point High School | 44.09 | Verified |
| 3 | EDWARDS, Harrison | SR | Troy Buchanan High School | 43.43 | Verified |
| 4 | DEWITT, Xander | JR | Ft. Zumwalt South High School | 40.65 | Verified |
| 5 | LARUE, Lucas | JR | Troy Buchanan High School | 42.50 | Verified |
| 6 | ENGELS, Tristian | SO | Lutheran (St. Charles) High Scho | 43.88 | Verified |
| 7 | BLACK, Issac | FR | St. Charles High School | 44.78 | Verified |