| Place | Bib | Lane | Name | Affiliation | Time |
| 1 | B | 7 | Junipero | Junipero | 46.47 |
| 2 | A | 6 | Alpha | Alpha | 46.87 |
| 3 | C | 8 | McDonogh | McDonogh | 47.21 |
| 4 | D | 9 | St Elizabeth | St Elizabeth | 47.36 |
| 5 | F | 4 | Camperdown | Camperdown | 47.75 |
| 6 | E | 5 | Deep Creek | Deep Creek | 48.13 |
| 7 | H | 2 | Dunbar | Dunbar | 48.38 |
| 8 | G | 3 | Hope | Hope | 48.68 |