| Order | Time | Date | Meet | Venue |
|---|---|---|---|---|
| 1 | 45.58 | 2017-01-22 | 2017 Pete Ribbins | Lions Pool |
| 2 | 46.12 P | 2017-02-19 | 2017 Nationals | CBAC |
| 3 | 46.26 | 2017-03-19 | 2017 Shamrock Splash | CBAC |
| 4 | 47.34 | 2017-01-07 | 2017 January Sprint Meet | Lions Pool |
| 5 | 47.45 | 2016-11-13 | 2016 Mike Lockwood Memorial | Lions Pool |
| 6 | 48.15 | 2015-10-18 | 2015 CBAC Fall KO | CBAC |
| 7 | 48.58 | 2016-10-16 | 2016 CBAC Fall KO | CBAC |
| 8 | 49.59 | 2016-10-01 | 2016 CNB Sprint Meet | Lions Pool |
| 9 | 49.71 | 2016-06-05 | 2016 Landon Von Kanel | Lions Pool |
| 10 | 50.57 | 2015-11-22 | 2015 Mike Lockwood Memorial | Lions Pool |
| 11 | 50.89 | 2016-05-21 | 2016 Lions Sprint Meet | Lions Pool |
| 12 | 51.10 | 2016-01-31 | 2016 Pete Ribbins | Lions Pool |
| 13 | 53.05 | 2015-10-03 | 2015 CNB Fall Sprint Meet | Lions Pool |
| 14 | 54.49 | 2016-04-16 | 2016 Shamrock Splash | CBAC |
| 15 | 54.55 | 2015-12-13 | 2015 Coconut Cup | CBAC |