| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | KEYES, Ryan | FR | St. Dominic High School | NT | Unverified: |
| 4 | HARROLD, Stephan | JR | Parkway North High School | NT | Unverified: |
| 5 | MORALES, Kevin | FR | Affton High School | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | HORTHORN, Thajay | FR | Jennings High School | NT | Unverified: |
| 3 | HARRIS, Mikel | JR | Lutheran North High School | NT | Unverified: |
| 4 | BOGAN, Jeremiah | SR | Lutheran North High School | NT | Unverified: |
| 5 | DEAN, Nelson | JR | Parkway North High School | NT | Unverified: |
| 6 | BOYKIN, Floyd | FR | Lutheran North High School | NT | Unverified: |
| 7 | PASHKOV, Christopher | SR | Affton High School | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | PATRICK, Christian | JR | Jennings High School | NT | Unverified: |
| 2 | MCCOY, Jashun | SR | Jennings High School | NT | Unverified: |
| 3 | YORK, Daykel | JR | Jennings High School | NT | Unverified: |
| 4 | FULLER, Amari | FR | Affton High School | 1:07.15 | Verified |
| 5 | WILLIAMS, Rashaun | SO | Lutheran North High School | 1:14.82 | Verified |
| 6 | LAMARTINA, Logan | JR | Clayton High School | NT | Unverified: |
| 7 | VLASATY, Frank | SO | St. Dominic High School | NT | Unverified: |
| 8 | SOTTILE, Lucas | SO | St. Dominic High School | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | HOWARD-FOSTER, Zion | SO | Lutheran North High School | 1:06.36 | Verified |
| 2 | UBBEN, Joseph | FR | St. Dominic High School | 1:03.75 | Verified |
| 3 | WILEY, Tyrone | SO | Jennings High School | 1:02.08 | Verified |
| 4 | MCCOLLUM, Ozee | SR | Lutheran North High School | 1:00.27 | Verified |
| 5 | DARE, Ryker | 5 | St. Dominic High School | 1:01.03 | Verified |
| 6 | MARTIN, Merrimon | FR | Jennings High School | 1:02.92 | Verified |
| 7 | THANGA, Elisha | SR | Lutheran North High School | 1:05.17 | Verified |
| 8 | GLEGHORN, Bernard | JR | Lutheran North High School | 1:06.47 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | COLEMAN, Marquis | SR | Lutheran North High School | 59.35 | Verified |
| 2 | DODOLEWA, Simisola | JR | Lutheran North High School | 58.87 | Verified |
| 3 | HUYETTE, Logan | SO | Clayton High School | 58.42 | Verified |
| 4 | LINDSEY, Jayson | JR | Parkway North High School | 57.17 | Verified |
| 5 | BENSON, Berry | SO | Lutheran North High School | 57.65 | Verified |
| 6 | POWELL, Cody | SR | St. Dominic High School | 58.77 | Verified |
| 7 | MOEHLENBROCK, Bailey | JR | Affton High School | 58.94 | Verified |
| 8 | THORNTON, Theodore | FR | Lutheran North High School | 1:00.09 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | PENNING, Jared | JR | St. Dominic High School | 54.67 | Verified |
| 2 | WELCH, Jaylon | SR | Kirkwood High School | 53.89 | Verified |
| 3 | CARTER, Jordan | JR | Lutheran North High School | 52.31 | Verified |
| 4 | CLARK, Michael | FR | Lutheran North High School | 50.29 | Verified |
| 5 | LOVELACE, Josiah | JR | Affton High School | 51.61 | Verified |
| 6 | WEBB, Khalil | SR | Kirkwood High School | 53.72 | Verified |
| 7 | KOENIG, Samuel | JR | St. Dominic High School | 54.35 | Verified |
| 8 | BOSWINKEL, Laurens | JR | Kirkwood High School | 57.00 | Unverified: |