| Name | Year | Club | Time | Splits | ||
| 1 | Ross Clark | 87 | Dun City Aqu | 53.42 | 26.18 | 53.42 |
| 2 | Joe Lipworth | 93 | Dun City Aqu | 54.41 | 26.71 | 54.41 |
| 2 | Ross Hunter | 94 | Dun City Aqu | 54.41 | 25.84 | 54.41 |
| 4 | Michael McGovern | 91 | Unat | 55.01 | 26.98 | 55.01 |
| 5 | Paul Adamson | 95 | Unat | 56.23 | 27.57 | 56.23 |
| 6 | Calum Fowler | 95 | Coast | 58.87 | 28.48 | 58.87 |