Section 1 of 3
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | LOBER, Preston | SO | St. Francis Borgia High School | NT | Unverified: |
| 4 | BALLARD, Ryley | JR | Troy Buchanan High School | NT | Unverified: |
| 5 | REEVES, Bryce | JR | Warrenton High School | NT | Unverified: |
Section 2 of 3
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | MORT, Zachary | SO | St. Francis Borgia High School | NT | Unverified: |
| 3 | BEHRENS, Aaron | SR | St. Charles West High School | 1:01.51 | Verified |
| 4 | KLAUSTERMEIR, August | SR | Warrenton High School | 1:00.19 | Verified |
| 5 | MYERS, Austin | SR | Ft. Zumwalt East High School | 1:00.34 | Verified |
| 6 | LUXTON, Jack | SR | St. Clair High School | 1:09.95 | Verified |
| 7 | JOHNSON, Darius | SR | Ft. Zumwalt South High School | NT | Unverified: |
Section 3 of 3
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | MURPHY, Shannon | SO | St. Clair High School | 59.87 | Verified |
| 2 | JILES, Collin | SR | St. Charles West High School | 56.71 | Verified |
| 3 | CLARK, Isaiah | 9 | Ft. Zumwalt South High School | 55.61 | Verified |
| 4 | TWEEDY, Andrew | SR | Hannibal High School | 55.26 | Verified |
| 5 | LOLLAR, Ethan | 9 | Troy Buchanan High School | 55.41 | Verified |
| 6 | THOMAS, Andre | JR | Hannibal High School | 56.09 | Verified |
| 7 | BLAND, Samuel | 9 | St. Charles High School | 57.29 | Verified |
| 8 | JONES, Cohen | 9 | Ft. Zumwalt East High School | 1:00.04 | Verified |
