# 2018 African Championships in Athletics – Men's 400 metres

The men's 400 metres event at the 2018 African Championships in Athletics was held on 2 and 3 August in Asaba, Nigeria.

## Medalists

| Gold | Silver | Bronze |
| Baboloki Thebe Botswana | Thapelo Phora South Africa | Chidi Okezie Nigeria |

## Results
### Heats

Qualification: First 4 of each heat (Q) and the next 4 fastest (q) qualified for the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 5 | Baboloki Thebe | Botswana | 45.94 | Q |
| 2 | 5 | Thapelo Phora | South Africa | 46.02 | Q |
| 3 | 5 | Alphas Kishoyian | Kenya | 46.24 | Q |
| 4 | 3 | Chidi Okezie | Nigeria | 46.33 | Q |
| 5 | 1 | Leungo Scotch | Botswana | 46.45 | Q |
| 6 | 5 | Orukpe Erayokan | Nigeria | 46.55 | Q |
| 7 | 3 | Jared Momanyi | Kenya | 46.69 | Q |
| 8 | 2 | Onkabetse Nkobolo | Botswana | 46.75 | Q |
| 9 | 3 | Zakithi Nene | South Africa | 46.82 | Q |
| 10 | 2 | Mohamed Fares Jlassi | Tunisia | 46.94 | Q |
| 11 | 4 | Leonard Opiny | Uganda | 47.04 | Q |
| 12 | 1 | Slimane Moula | Algeria | 47.12 | Q |
| 13 | 2 | Nsangou Tetndap | Cameroon | 47.22 | Q |
| 14 | 4 | Momodou Bah | Gambia | 47.24 | Q |
| 15 | 1 | Ernst Narib | Namibia | 47.29 | Q |
| 16 | 2 | Thandaza Zwane | Eswatini | 47.41 | Q |
| 17 | 4 | Abdoraman Abdo | Ethiopia | 47.44 | Q |
| 18 | 2 | Mahmad Alexander Bock | Namibia | 47.53 | q |
| 19 | 4 | Daniel Mbewe | Zambia | 47.54 | Q |
| 19 | 5 | Bienvenu Sawadogo | Burkina Faso | 47.54 | q |
| 21 | 3 | Andile Lusenga | Eswatini | 47.69 | Q |
| 22 | 4 | Samson Nathaniel | Nigeria | 47.84 | q |
| 23 | 1 | Rodwell Ndlovu | Zimbabwe | 47.88 | Q |
| 24 | 2 | Mosisa Siyoum | Ethiopia | 47.92 | q |
| 25 | 5 | Leon Tafirenyika | Zimbabwe | 48.13 | |
| 26 | 4 | Pieter Conradie | South Africa | 48.34 | |
| 27 | 3 | Djibulou Malick | Senegal | 48.41 | |
| 28 | 1 | Rija Gardiner | Madagascar | 48.58 | |
| 29 | 1 | Ibrahima Mbengue | Senegal | 48.59 | |
| 30 | 5 | Mahamat Bachir | Chad | 48.64 | |
| 31 | 2 | Edmond Hounthon | Benin | 48.83 | |
| 32 | 1 | Efrem Mekonnen | Ethiopia | 48.98 | |
| 32 | 3 | Blessing Nyandoro | Zimbabwe | 48.98 | |
| 34 | 4 | Moussa Adamou Moustapha | Niger | 49.54 | |
| 35 | 4 | Stefano Bibi | Seychelles | 49.68 | |
| | 3 | Alhagie Salim Drammeh | Gambia | DNF | |
| | 1 | Boniface Mweresa | Kenya | DNS | |
| | 2 | Anas Beshr | Egypt | DNS | |
| | 3 | Moussa Zaroumeye | Niger | DNS | |
| | 5 | Abdelmalik Lahoulou | Algeria | DNS | |

### Semifinals

Qualification: First 2 of each semifinal (Q) and the next 2 fastest (q) qualified for the final.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 2 | Thapelo Phora | South Africa | 45.76 | Q |
| 2 | 3 | Chidi Okezie | Nigeria | 46.09 | Q |
| 3 | 2 | Orukpe Erayokan | Nigeria | 46.10 | Q |
| 4 | 3 | Alphas Kishoyian | Kenya | 46.14 | Q |
| 5 | 1 | Baboloki Thebe | Botswana | 46.25 | Q |
| 6 | 3 | Onkabetse Nkobolo | Botswana | 46.35 | q |
| 7 | 2 | Momodou Bah | Gambia | 46.76 | q |
| 8 | 1 | Jared Momanyi | Kenya | 46.79 | Q |
| 9 | 1 | Nsangou Tetndap | Cameroon | 46.84 | |
| 10 | 3 | Thandaza Zwane | Eswatini | 46.91 | |
| 11 | 1 | Zakithi Nene | South Africa | 46.94 | |
| 12 | 3 | Ernst Narib | Namibia | 47.11 | |
| 13 | 1 | Leonard Opiny | Uganda | 47.14 | |
| 14 | 1 | Samson Nathaniel | Nigeria | 47.22 | |
| 15 | 2 | Leungo Scotch | Botswana | 47.32 | |
| 16 | 2 | Bienvenu Sawadogo | Burkina Faso | 47.34 | |
| 17 | 2 | Slimane Moula | Algeria | 47.37 | |
| 18 | 2 | Abdoraman Abdo | Ethiopia | 47.76 | |
| 19 | 1 | Daniel Mbewe | Zambia | 47.82 | |
| 20 | 3 | Rodwell Ndlovu | Zimbabwe | 47.94 | |
| 21 | 2 | Mahmad Alexander Bock | Namibia | 48.02 | |
| 22 | 3 | Mosisa Siyoum | Ethiopia | 48.48 | |
| | 1 | Andile Lusenga | Eswatini | DNF | |
| | 3 | Mohamed Fares Jlassi | Tunisia | DNF | |

### Final

| Rank | Lane | Athlete | Nationality | Time |
| | 5 | Baboloki Thebe | Botswana | 44.81 |
| | 3 | Thapelo Phora | South Africa | 45.14 |
| | 4 | Chidi Okezie | Nigeria | 45.65 |
| 4 | 8 | Alphas Kishoyian | Kenya | 46.08 |
| 5 | 6 | Orukpe Erayokan | Nigeria | 46.38 |
| 6 | 2 | Onkabetse Nkobolo | Botswana | 46.83 |
| 7 | 7 | Jared Momanyi | Kenya | 47.54 |
| 8 | 1 | Momodou Bah | Gambia | 47.75 |