| Lane | Team | Squad | Seed |
|---|---|---|---|
| 2 | Pinewood Prep | A | 47.87 |
| 3 | Porter Gaud | A | 45.39 |
| 4 | Northwood Academy | A | 44.73 |
| 5 | Oceanside Collegiate Academy | A | 45.31 |
| 6 | Thomas Heyward Academy | A | DNS |
| 7 | Academic Magnet | A | 48.34 |
| Lane | Team | Squad | Seed |
|---|---|---|---|
| 3 | Porter Gaud | C | 1:16.00 |
| 4 | Northwood Academy | B | 49.39 |
| 5 | Porter Gaud | B | 1:15.00 |