| Order | Time | Date | Meet | Venue |
|---|---|---|---|---|
| 1 | 44.43 | 2018-01-21 | 2018 Pete Ribbins | Lions Pool |
| 2 | 46.16 | 2016-04-16 | 2016 Shamrock Splash | CBAC |
| 3 | 46.20 | 2017-09-23 | 2017 CNB Fall Sprint Meet | Lions Pool |
| 4 | 46.31 | 2017-10-15 | 2017 CBAC Fall Kick Off | CBAC |
| 5 | 47.05 | 2017-11-19 | 2017 Mike Lockwood Memorial | Lions Pool |
| 6 | 47.16 | 2017-05-20 | 2017 Lions Sprint Meet | Lions Pool |
| 7 | 48.06 | 2016-05-21 | 2016 Lions Sprint Meet | Lions Pool |
| 8 | 48.52 | 2017-01-07 | 2017 January Sprint Meet | Lions Pool |
| 9 | 48.91 | 2017-03-19 | 2017 Shamrock Splash | CBAC |