| Year |
Result |
Place |
Venue |
Date |
| 1999 |
48.82 |
24 |
Atlanta |
May 22 |
| 2000 |
48.56 |
15 |
Atlanta |
May 20 |
| 2002 |
48.57 |
16 |
Kingston |
Jun 21 |
| 2003 |
48.05 |
2 |
London |
Aug 08 |
| 2004 |
48.06 |
9 |
Monaco |
Sep 19 |
| 2005 |
48.09 |
6 |
Monaco |
Sep 10 |
| 2006 |
48.57 |
10 |
Zürich |
Aug 18 |
|
| Year |
Result |
Place |
| 1998 (ComWealth) |
49.81 |
6 |
| 2003 (World) |
48.51 |
5 |
| 2006 (World Cup) |
48.80 |
4 |
| 2006 (ComWealth) |
48.65 |
3 |
|
|