| Type | Time | Athlete | Date and place |
|---|---|---|---|
| WR | 48.49 |
| new11 Sep 2008 - Beijing (CHN) |
| PR | 48.49 |
| new11 Sep 2008 - Beijing (CHN) |
| AM | 52.44 |
| new6 Jul 2012 - Montreal, QC (CAN) |
| AS | 48.49 |
| new11 Sep 2008 - Beijing (CHN) |
| EU | 49.26 |
| new19 Aug 2010 - Eindhoven (NED) |
| OC | 51.86 |
| new3 Sep 2012 - London (GBR) (Heat 2) |