Achievements
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
Representing  South Africa
| |||||
| 1999 | African Junior Championships | Tunis, Tunisia | 1st | 400 m hurdles | 51.03 |
| 1st | 4 × 400 m relay | 3:13.01 | |||
| 2000 | Olympic Games | Sydney, Australia | 13th (sf) | 400 m hurdles | 49.25 |
| 7th (sf) | 4 × 400 m relay | 3:01.25 | |||
| 2001 | World Championships | Edmonton, Canada | 23rd (sf) | 400 m hurdles | 50.34 |
| 10th (h) | 4 × 400 m relay | 3:01.70 | |||
| Universiade | Beijing, China | 1st | 400 m hurdles | 48.09 (PB) | |
| 2003 | World Championships | Paris, France | 13th (sf) | 400 m hurdles | 48.98 |
| 10th (h) | 4 × 400 m relay | 3:03.05 | |||
| 2004 | Olympic Games | Athens, Greece | 7th | 400 m hurdles | 49.07 |
| 2006 | Commonwealth Games | Melbourne, Australia | 2nd | 400 m hurdles | 48.23 |
| African Championships | Bambous, Mauritius | 2nd | 400 m hurdles | 49.88 | |
| 2nd | 4 × 400 m relay | 3:07.65 | |||
| World Athletics Final | Stuttgart, Germany | 8th | 400 m hurdles | 49.47 | |
| 2007 | All-Africa Games | Algiers, Algeria | 3rd | 400 m hurdles | 48.91 |
| 8th | 4 × 400 m relay | DNF | |||
| World Championships | Osaka, Japan | – | 400 m hurdles | DNF | |
| 2008 | Olympic Games | Beijing, China | 10th (sf) | 400 m hurdles | 49.16 |
| 9th (h) | 4 × 400 m relay | 3:01.26 | |||
Personal bests
- 100 metres - 10.66 s (2002)
- 400 metres - 46.65 s (2002)
- 400 metres hurdles - 48.09 s (2001)
