| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 3 | HAYNES, Julian | Olympic Heights | NT | NT |
| 4 | MEZA, Noah | King's Academy | 1:20.99 | Warrior Invitational 2023 |
| 5 | MESA, Michael | King's Academy | NT | NT |
| 6 | COSBY-MOSLEY, Jacob | Benjamin School | NT | 59.0 |
| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 1 | RODRIGUEZ, Daniel | Jupiter | 1:10.26 | PBGHS Gator Invitational 2023 |
| 2 | NICHOLSON, Kaden | Berean Christian | 1:06.33 | Jeff Fossen Memorial Meet 2023 |
| 3 | HEILPERN, Jacob | Benjamin School | 1:02.73 | Kings Var Open 2 |
| 4 | LUIZ, Joshua | Benjamin School | 58.32 | Kings Var Open 2 |
| 5 | RICE, Zachary | Suncoast | 1:01.21 | PBGHS Gator Invitational 2023 |
| 6 | THOREN, Tyler | Jupiter | 1:03.67 | NPB Conference Meet 2023 |
| 7 | SUSTACHE, Yovier | Jupiter | 1:07.46 | PBGHS Gator Invitational 2023 |
| 8 | ABIOLA, Alexander | Suncoast | 1:14.30 | Warrior Invitational 2023 |