| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | KEITH, Mark | JR | Northwest (Cedar Hill) High Scho | NT | Unverified: |
| 2 | ANTHONY, Deontae | SO | Hazelwood Central High School | NT | Unverified: |
| 3 | JOHNSON, Larry | SR | Hazelwood Central High School | NT | Unverified: |
| 4 | CAIN III, Malious | SR | Vashon High School | 59.45 | Verified |
| 5 | WARD, Michael | SR | Seckman High School | 1:00.04 | Verified |
| 6 | DAVIS, William | JR | Riverview Gardens High School | NT | Unverified: |
| 7 | JOHNSON, Robert | SR | Hazelwood East High School | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | BOONE, Micah | SO | Maplewood-Richmond Hts. High Sch | 58.90 | Unverified: |
| 2 | MCFIELD, Mekhi | JR | Vashon High School | 56.77 | Verified |
| 3 | TAYLOR, Ayden | SO | Liberty (Wentzville) High School | 55.50 | Unverified: |
| 4 | SHRUM, Brandon | SO | North County High School | 54.79 | Verified |
| 5 | SZE, Marvin | JR | Parkway West High School | 55.00 | Unverified: |
| 6 | TUGGLES, LAMOND | SR | Lafayette (Wildwood) High School | 56.00 | Unverified: |
| 7 | CAMPBELL, Andrew | JR | Northwest (Cedar Hill) High Scho | 58.48 | Unverified: |
| 8 | DODD, noah | FR | Poplar Bluff High School | 59.31 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | WELCH, Jaylon | SR | Kirkwood High School | 54.00 | Unverified: |
| 2 | BEACH, Ethan | SR | Parkway West High School | 53.68 | Verified |
| 3 | ROGERS, Payton | SR | Poplar Bluff High School | 53.54 | Unverified: Poplar Bluff Time Trial |
| 4 | GANTZ, DANIEL | SR | North County High School | 52.77 | Unverified: Raider Relays |
| 5 | LEVINE, Owen | JR | Ladue Horton Watkins High School | 53.20 | Unverified: |
| 6 | JONES, Landon | SO | Liberty (Wentzville) High School | 53.58 | Verified |
| 7 | WEBB, Khalil | SR | Kirkwood High School | 53.90 | Unverified: |
| 8 | OSTMANN, Chase | SO | Ft. Zumwalt North High School | 54.10 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | RUDANOVICH, Kaleb | SR | Seckman High School | 52.00 | Unverified: |
| 2 | ELLIS, DREW | SR | Marquette High School | 51.80 | Unverified: |
| 3 | ABEL, Dennis | JR | Riverview Gardens High School | 51.23 | Unverified: |
| 4 | CODY-JACKSON, CALEB | SR | Marquette High School | 48.87 | Unverified: |
| 5 | COMPTON, Brycen | SR | Lafayette (Wildwood) High School | 51.00 | Unverified: |
| 6 | VIA, Gavin | JR | Ladue Horton Watkins High School | 51.55 | Unverified: |
| 7 | MILLER, Brayden | SR | Ft. Zumwalt North High School | 51.85 | Verified |
| 8 | SLEDGE, Melvin | SO | Hazelwood East High School | 52.64 | Verified |