Section 1 of 4
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | FILES, Jeffery | FR | Ft. Zumwalt North High School | NT |
| 2 | ROSSON, Ryan | SR | Christian High School | NT |
| 3 | JONES, Matt | SO | Francis Howell Central High Scho | NT |
| 4 | SAVILLE, Larry | 9 | Bayless High School | 1:05.00 |
| 5 | JONES, Michael | SO | Mehlville High School | 1:10.00 |
| 6 | LOONEY, Daniel | JR | Holt High School | NT |
| 7 | GRELLNER, Justin | JR | Northwest (Cedar Hill) High Scho | NT |
Section 2 of 4
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | KIBERA, Hugh | JR | Francis Howell North High School | 1:04.67 |
| 3 | UEBARI, David | SO | Bayless High School | 1:00.00 |
| 4 | ROBINSON, Nathan | JR | Northwest (Cedar Hill) High Scho | 58.39 |
| 5 | MCDEVITT, Rolen | SO | Francis Howell Central High Scho | 58.75 |
| 6 | KLAUSTERMEIR, August | SR | Warrenton High School | 1:00.19 |
| 7 | POLLARD, Jeremiah | JR | Francis Howell North High School | 1:02.78 |
| 8 | RUDD, Tylen | SO | Ft. Zumwalt East High School | 1:05.00 |
Section 3 of 4
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | COLEMAN, Tyler | SR | Ft. Zumwalt West High School | 57.77 |
| 2 | GLORE, Michael | SR | Farmington High School | 57.22 |
| 3 | LATINA, Cameron | SR | Ft. Zumwalt North High School | 55.62 |
| 4 | CURRINGTON, Mason | 9 | Farmington High School | 55.36 |
| 5 | DONNELLY, Jacob | SR | Francis Howell High School | 55.60 |
| 6 | LOLLAR, Ethan | 9 | Troy Buchanan High School | 55.70 |
| 7 | EVANS, William | SO | Mehlville High School | 57.39 |
| 8 | COPPEDGE, Samuel | JR | Holt High School | 58.09 |
Section 4 of 4
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | BRACKENRIDGE, Nathan | JR | Christian High School | 55.13 |
| 2 | HILL, Kamden | JR | Timberland High School | 54.58 |
| 3 | BENHARDT, Jackson | JR | Troy Buchanan High School | 54.18 |
| 4 | LO, Anderson | SR | Ft. Zumwalt West High School | 53.11 |
| 5 | ANDERSON, Tyler | 9 | Ft. Zumwalt East High School | 54.00 |
| 6 | MCLAUGHLIN, Liam | JR | Timberland High School | 54.39 |
| 7 | BENENATI, Max | JR | Francis Howell High School | 55.00 |
| 8 | MILLER, Brayden | SO | Ft. Zumwalt North High School | 55.32 |
