| Year | Competition           | Venue                 | Position | Event | Notes   |
| 2003 | All-Africa Games      | Abuja, Nigeria        | 11th (h) | 800 m | 2:05.19 |
| 2006 | Commonwealth Games    | Melbourne, Australia  | 9th (sf) | 800 m | 2:01.84 |
| 2006 | African Championships | Bambous, Mauritius    | 13th (h) | 800 m | 2:10.50 |
| 2006 | Lusophony Games       | Macau                 | 1st      | 800 m | 2:07.34 |
| 2007 | All-Africa Games      | Algiers, Algeria      | 1st      | 800 m | 2:02.83 |
| 2008 | African Championships | Addis Ababa, Ethiopia | 6th      | 800 m | 2:05.95 |
| 2009 | Lusophony Games       | Lisbon, Portugal      | 4th      | 800 m | 2:07.48 |
| 2009 | World Championships   | Berlin, Germany       | 36th (h) | 800 m | 2:06.72 |
| 2010 | African Championships | Nairobi, Kenya        | 7th      | 800 m | 2:08.45 |
| 2010 | Commonwealth Games    | Delhi, India          | –        | 800 m | DNF     |
| 2011 | All-Africa Games      | Maputo, Mozambique    | 12th (h) | 800 m | 2:06.72 |