| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | BURGETT, Gadissa | FR | Missouri Military Academy | NT | Unverified: |
| 3 | POWELL, Bryson | SR | Missouri Military Academy | NT | Unverified: |
| 4 | SLAYTON, Christian | SO | St. Louis Blue Knights | NT | Unverified: |
| 5 | CARROLL, Timothy | SR | Silex High School | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | HARTLEY, Dominic | JR | Van-Far High School | 1:04.58 | Verified |
| 2 | NOXON, JW | SO | Silex High School | 1:03.49 | Verified |
| 3 | GAMBLE, Tyler | SR | Louisiana High School | 1:02.23 | Verified |
| 4 | HATHAWAY, Dominic | SO | Louisiana High School | 1:02.25 | Verified |
| 5 | HEMBREE, Matthew | FR | Bowling Green High School | 1:04.04 | Verified |
| 6 | OBERHAUS, Isaac | SO | Bowling Green High School | 1:06.14 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | BENNETT, Ezekiel | SO | Mark Twain High School | 1:00.60 | Verified |
| 2 | HARVEY, Josh | SO | Clopton High School | 59.56 | Verified |
| 3 | SALINAS, Victor | SR | Missouri Military Academy | 58.98 | Verified |
| 4 | LEINE, Michael | SO | St. Louis Blue Knights | 59.01 | Verified |
| 5 | PITZER, Joseph | SO | Louisiana High School | 1:00.37 | Verified |
| 6 | SELSOR, Austin | SR | Van-Far High School | 1:01.42 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | MARSHALL, Gage | SO | Wellsville-Middletown High Schoo | 57.71 | Verified |
| 2 | STEGEMAN, Kane | SO | Highland High School | 55.24 | Verified |
| 3 | BURT, Hunter | SR | Clopton High School | 53.75 | Verified |
| 4 | BRYANT, Brandon | JR | St. Louis Blue Knights | 55.02 | Verified |
| 5 | EVANS, Charlie | SO | Highland High School | 56.50 | Verified |
| 6 | BERGTHOLD, Justin | FR | Mark Twain High School | 57.85 | Verified |