# Athletics at the 1999 All-Africa Games – Men's 400 metres

Athletics at the 1999 All-Africa Games :
| Track events |||||
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| 800 m | men | women |
| 1500 m | men | women |
| 5000 m | men | women |
| 10,000 m | men | women |
| 100 m hurdles | | women |
| 110 m hurdles | men | |
| 400 m hurdles | men | women |
| 3000 m steeplechase | men | |
| 4×100 m relay | men | women |
| 4×400 m relay | men | women |
| Road events |||||
| Marathon | men | women |
| 10 km walk | | women |
| 20 km walk | men | |
| Field events |||||
| High jump | men | women |
| Pole vault | men | women |
| Long jump | men | women |
| Triple jump | men | women |
| Shot put | men | women |
| Discus throw | men | women |
| Hammer throw | men | women |
| Javelin throw | men | women |
| Combined events |||||
| Heptathlon | | women |
| Decathlon | men | |
| This box: viewtalkedit |||||
The men's 400 metres event at the 1999 All-Africa Games was held 14–16 September 1999 at the Johannesburg Stadium.

## Medalists

| Gold | Silver | Bronze |
| Kennedy Ochieng Kenya | Clement Chukwu Nigeria | Phillip Mukomana Zimbabwe |

## Results
### Heats

Qualification: First 3 of each heat (Q) and the next 4 fastest (q) qualified for the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 1 | Philip Mukomana | Zimbabwe | 46.04 | Q |
| 2 | 1 | Udeme Ekpeyong | Nigeria | 46.13 | Q |
| 3 | 4 | Kennedy Ochieng | Kenya | 46.31 | Q |
| 4 | 1 | Arnaud Malherbe | South Africa | 46.32 | Q |
| 5 | 2 | Jeffrey Masvanhise | Zimbabwe | 46.38 | Q |
| 6 | 3 | Julius Chepkwony | Kenya | 46.40 | Q |
| 7 | 2 | Eric Milazar | Mauritius | 46.52 | Q |
| 8 | 1 | Adriaan Botha | South Africa | 46.72 | q |
| 9 | 3 | Sunday Bada | Nigeria | 46.91 | Q |
| 10 | 2 | Clement Chukwu | Nigeria | 47.07 | Q |
| 11 | 1 | Abednego Matilu | Kenya | 47.10 | q |
| 12 | 3 | Ibrahima Wade | Senegal | 47.36 | Q |
| 13 | 3 | Sofiane Labidi | Tunisia | 47.58 | q |
| 14 | 4 | Tawanda Chiwira | Zimbabwe | 47.62 | Q |
| 15 | 2 | Daniel Adomako | Ghana | 47.74 | q |
| 16 | 4 | Amin Badany Goma'a | Egypt | 47.93 | Q |
| 17 | 1 | Nathaniel Martey | Ghana | 48.27 | |
| 18 | 4 | Clement Hakapobo | Zambia | 48.33 | |
| 19 | 3 | Keketso Phori | Lesotho | 48.69 | |
| 20 | 4 | Moses Kondowe | Malawi | 48.81 | |
| 21 | 2 | Narcisse Tevoedjre | Benin | 48.98 | |
| 22 | 2 | Mahamadou Ibrahim | Niger | 49.11 | |
| 23 | 3 | Alemayehu Adebo | Ethiopia | 49.22 | |
| 24 | 2 | Emmanuel Rubayiza | Rwanda | 49.99 | |
| 25 | 1 | Benjamin Youla | Republic of the Congo | 50.33 | |
| 26 | 4 | Refiloe Matlanyane | Lesotho | 53.29 | |
| | 2 | Ousmane Niang | Senegal | DNS | |
| | 3 | Charles Shaw | Liberia | DNS | |

### Semifinals

Qualification: First 3 of each semifinal (Q) and the nest 2 fastest (q) qualified for the final.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 2 | Kennedy Ochieng | Kenya | 45.11 | Q |
| 2 | 1 | Philip Mukomana | Zimbabwe | 45.57 | Q |
| 3 | 2 | Sunday Bada | Nigeria | 45.75 | Q |
| 4 | 1 | Julius Chepkwony | Kenya | 45.83 | Q |
| 5 | 1 | Clement Chukwu | Nigeria | 45.85 | Q |
| 6 | 2 | Ibrahima Wade | Senegal | 45.94 | Q |
| 7 | 2 | Arnaud Malherbe | South Africa | 45.94 | q |
| 8 | 1 | Udeme Ekpeyong | Nigeria | 46.03 | |
| 8 | 2 | Eric Milazar | Mauritius | 46.03 | q |
| 10 | 2 | Jeffrey Masvanhise | Zimbabwe | 46.30 | |
| 11 | 1 | Adriaan Botha | South Africa | 46.32 | |
| 12 | 2 | Abednego Matilu | Kenya | 46.99 | |
| 13 | 1 | Tawanda Chiwira | Zimbabwe | 47.08 | |
| 14 | 1 | Amin Badany Goma'a | Egypt | 47.14 | |
| 15 | 2 | Sofiane Labidi | Tunisia | 47.70 | |
| 16 | 1 | Daniel Adomako | Ghana | 47.71 | |

### Final

| Rank | Name | Nationality | Time | Notes |
| | Kennedy Ochieng | Kenya | 44.77 | PB |
| | Clement Chukwu | Nigeria | 45.31 | |
| | Philip Mukomana | Zimbabwe | 45.43 | |
| 4 | Sunday Bada | Nigeria | 45.50 | |
| 5 | Arnaud Malherbe | South Africa | 45.55 | |
| 6 | Ibrahima Wade | Senegal | 45.56 | |
| 7 | Eric Milazar | Mauritius | 45.71 | |
| 8 | Julius Chepkwony | Kenya | 46.54 | |