| Place | Bib | Lane | Name | Affiliation | Time |
| 1 | MF | 6 | Redeemer | Redeemer | 48.21 |
| 2 | MG | 7 | Sacred Heart | Sacred Heart | 48.61 |
| 3 | ME | 5 | Ephrem | Ephrem | 49.09 |
| 4 | MH | 8 | St Dorothy | St Dorothy | 49.14 |
| 5 | MC | 3 | Nativity | Nativity | 49.29 |
| 6 | MB | 2 | Alphonsus | Alphonsus | 49.34 |
| 7 | MD | 4 | St Mary Mag | St Mary Mag | 49.70 |
| 8 | MI | 9 | Corpus | Corpus | 49.81 |
| 9 | MA | 1 | St Albert | St Albert | 51.70 |