| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | JAEGER, Landan | FR | Ft. Zumwalt South High School | NT | Unverified: |
| 4 | WALLACE, Sulvoris | SO | St. Charles High School | NT | Unverified: |
| 5 | ANZALDUA CAMPOS, Roy | FR | Ft. Zumwalt South High School | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | STOCK, David | FR | Francis Howell Central High Scho | 1:08.60 | Verified |
| 2 | GRAHAM, Jaden | SO | Riverview Gardens High School | 1:03.69 | Verified |
| 3 | MEHTA, Aadit | SO | Francis Howell Central High Scho | 1:03.04 | Verified |
| 4 | DAHUJA, Aneesh | JR | Timberland High School | 1:00.60 | Verified |
| 5 | WRIGHT, Caiden | SO | St. Charles High School | 1:00.82 | Verified |
| 6 | REDD, Nasir | JR | Riverview Gardens High School | 1:03.33 | Verified |
| 7 | FOSTER, Mason | JR | Timberland High School | 1:06.90 | Verified |
| 8 | WILLHITE, Blake | SO | Ft. Zumwalt South High School | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | SMITH, Malik | FR | Ft. Zumwalt North High School | 59.35 | Verified |
| 2 | PAUL, Dylan | SO | North Point High School | 58.80 | Verified |
| 3 | NEUBAUER, Nicholas | FR | Timberland High School | 57.89 | Verified |
| 4 | MATZ, Nathaniel | JR | Francis Howell Central High Scho | 57.54 | Verified |
| 5 | WARD, Marcus | SO | Hazelwood Central High School | 57.71 | Verified |
| 6 | PALMER, Tyler | SO | St. Charles High School | 57.90 | Verified |
| 7 | PANUS, Aiden | SO | Francis Howell High School | 59.19 | Verified |
| 8 | BELKO, William | SO | Francis Howell High School | 59.78 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | JOHNSON, Amari | SO | Riverview Gardens High School | 57.18 | Verified |
| 2 | CHAMBERS, Lenox | JR | Hazelwood Central High School | 56.95 | Verified |
| 3 | WILLIAMS, Amir | SO | Hazelwood Central High School | 53.80 | Verified |
| 4 | OSTMANN, Chase | SO | Ft. Zumwalt North High School | 53.12 | Verified |
| 5 | FRIEND, Antwon | JR | Ft. Zumwalt North High School | 53.44 | Verified |
| 6 | TRENNEPOHL, Brady | SO | North Point High School | 56.30 | Verified |
| 7 | WITT, Curtiss | FR | Francis Howell High School | 57.09 | Verified |
| 8 | ROBINSON, Alex | SO | North Point High School | 57.35 | Verified |