| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 3 | SAMMONS, Samir | South Fork | NT | NT |
| 4 | VAZQUEZ, Anthony | Martin County | NT | NT |
| 5 | BORGELIN, Jeremiah | South Fork | NT | NT |
| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 1 | ST. LOUIS, Jarvous | South Fork | NT | NT |
| 2 | PATCH, Blake | South Fork | NT | NT |
| 3 | GEBUS-MOCKABEE, Ciaran | Jensen Beach | 1:06.28 | Martin County Sarge Invitational 2023 |
| 4 | WAXIN, Wincent | Pine School | 1:05.11 | Martin County Sarge Invitational 2023 |
| 5 | LOSH, Alex | Jensen Beach | 1:05.60 | South Fork Meet #2 |
| 6 | VIGIL, Jeremiah | Jensen Beach | 1:10.53 | PBC Freshman Sophomore Meet 2023 |
| 7 | LICATA, Richard | Jensen Beach | NT | NT |
| 8 | RODRIGUEZ, Joshua | Martin County | NT | NT |
| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 1 | SUMNER, Gavin | Jensen Beach | 59.89 | South Fork Meet #1 |
| 2 | PACHOWICZ, Jake | South Fork | 58.41 | South Fork Meet #2 |
| 3 | MUSSENDEN, Ryan | South Fork | 55.37 | MCHS Tiger Invitational 2023 |
| 4 | JOHNSON, Andrew | South Fork | 52.88 | Martin County Sarge Invitational 2023 |
| 5 | HOCHSTEIN, Adam | Martin County | 55.24 | Warrior Invitational 2023 |
| 6 | SWINDLER, Hudson | Martin County | 58.21 | South Fork Meet #1 |
| 7 | REED, Tamari | Pine School | 59.88 | South Fork Meet #2 |
| 8 | FORD, Aalijah | Martin County | 1:01.12 | South Fork Meet #2 |