| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 2 | SETTLER, Miles | FR | Ladue Horton Watkins High School | NT |
| 3 | STUMBAUGH, Caiden | FR | Liberty (Wentzville) High School | NT |
| 4 | WILLIAMS, Scott | FR | Rolla High School | NT |
| 5 | LAWSON, Omarion | JR | Parkway South High School | NT |
| 6 | WOOTEN, Vincent | FR | Ladue Horton Watkins High School | NT |
| 7 | BIRK, Austin | JR | Ladue Horton Watkins High School | NT |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 2 | PATMORE, Jayden | FR | Rolla High School | NT |
| 3 | WILSON, Morgan | FR | Kirkwood High School | NT |
| 4 | COSEY, Caden | FR | Liberty (Wentzville) High School | NT |
| 5 | SCHAEFFERKOETTER, Ethan | SR | Parkway South High School | NT |
| 6 | CONLEY, Josiah | FR | Parkway North High School | NT |
| 7 | KOHL, KAMDEN | SO | Eureka High School | NT |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | QADER, Ahmed | FR | Seckman High School | 1:11.72 |
| 2 | CANADY, Frederick | SO | Mehlville High School | 1:05.28 |
| 3 | DIBBERT, Seth | JR | Seckman High School | 1:05.00 |
| 4 | PHOENIX, Aiden | SO | St. Louis University High School | 1:03.69 |
| 5 | TERRY, Kameron | JR | Seckman High School | 1:05.00 |
| 6 | JACKSON, Peter | FR | Christian Brothers College High | 1:05.00 |
| 7 | DAIGLE, Kelvin | FR | Parkway North High School | 1:09.92 |
| 8 | RHODES, Xavien | SO | Parkway North High School | NT |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | SOHAIL, Farhan | SO | Lafayette (Wildwood) High School | 1:03.00 |
| 2 | KEARNS, Daniel | SO | Lafayette (Wildwood) High School | 1:02.36 |
| 3 | MANGANIELLO, Robert | SR | Parkway South High School | 59.42 |
| 4 | PIEL, Colin | FR | Parkway West High School | 58.70 |
| 5 | WATSON, Alexander | SO | Mehlville High School | 58.89 |
| 6 | HUNT, Kyle | SO | Eureka High School | 1:01.49 |
| 7 | GLASPER, Alex | FR | Christian Brothers College High | 1:03.00 |
| 8 | MOLLI, Adam | FR | DeSmet Jesuit High School | 1:03.00 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | DOYLE, Oliver | SR | Webster Groves High School | 58.20 |
| 2 | ABOTSI, Aden | FR | Webster Groves High School | 57.79 |
| 3 | SMITH, Finn | SO | Parkway West High School | 57.33 |
| 4 | HOUSTON, Josiah | SO | DeSmet Jesuit High School | 56.76 |
| 5 | WRIGHT, Gabriel | SO | Webster Groves High School | 57.25 |
| 6 | WILLIAMS, Christian | FR | Liberty (Wentzville) High School | 57.57 |
| 7 | BURNS, Maxwell | SO | Kirkwood High School | 57.81 |
| 8 | LINDSEY, Trent | SO | Rolla High School | 58.21 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | MCCLURE, Jeremiah | SO | Mehlville High School | 56.28 |
| 2 | VEHIGE, MATTHEW | JR | Lafayette (Wildwood) High School | 55.97 |
| 3 | LEICHT, Jude | 5 | Christian Brothers College High | 54.94 |
| 4 | FRANKS, Garrett | JR | St. Louis University High School | 54.74 |
| 5 | STRAUSS, Jules | SO | Parkway West High School | 54.83 |
| 6 | ROBINSON, Larry | SO | Kirkwood High School | 55.00 |
| 7 | JORDAN, D'Corey | SO | St. Louis University High School | 56.15 |
| 8 | ROBINSON, Brandon | SO | DeSmet Jesuit High School | 56.47 |