| Swimmers | Meets | Records / Male long course / 45-49 / Event |
| Date | Name | Meet Name | Time |
|---|---|---|---|
| 1988 | Joe Rooney | 28.73 | |
| 2/2/2002 | Stephen Badger | North Sydney | 28.19 |
| 10/2/2007 | John Kain | North Sydney | 27.23 |
| 24/3/2007 | John Kain | NSW Corporate Games | 26.85 |
| 21-22/4/2007 | John Kain | State Long Course | 26.33 |
| 13-16/7/2007 | John Kain | Japan National Masters | 26.32 |
| 5-6/4/2008 | John Kain | Long Course Championships | 26.12 |
| 18-24/4/2008 | John Kain | World Masters | 25.59 |
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