| Year |
Result |
Place |
Venue |
Date |
| 1991 |
49.28 |
21 |
São Paulo |
Jun 16 |
| 1992 |
49.10 |
21 |
Barcelona |
Aug 03 |
| 1993 |
49.15 |
19 |
Rio de Janeiro |
Jun 25 |
| 1994 |
48.88 |
10 |
Madrid |
Sep 6 |
| 1995 |
48.04 |
5 |
Nizza |
Jul 12 |
| 1996 |
48.45 |
14 |
Atlanta |
Jul 31 |
| 1998 |
48.75 |
22 |
Zagreb |
Jul 07 |
| 1999 |
48.13 |
5 |
Sevilla |
Aug 27 |
| 2000 |
48.25 |
8 |
Athens |
Jun 28 |
|
| Year |
Result |
Place |
| 1991 (PanAmer) |
49.96 |
1 |
| 1994 (World Cup) |
49.62 |
3 |
| 1995 (World) |
49.86 |
8 |
| 1995 (PanAmer) |
49.29 |
1 |
| 1996 (Olympic) |
48.78 |
8 |
| 1999 (World) |
48.13 |
4 |
| 1999 (PanAmer) |
48.23 |
1 |
| 2000 (Olympic) |
48.34 |
5 |
| 2003 (PanAmer) |
51.19 |
8 |
|
|