# 2010 African Championships in Athletics – Women's 400 metres

The women's 400 metres at the 2010 African Championships in Athletics were held on July 28–30.

## Medalists

| Gold | Silver | Bronze |
| Amantle Montsho Botswana | Amy Mbacké Thiam Senegal | Shade Abugan Nigeria |

## 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 | 4 | Amantle Montsho | Botswana | 51.66 | Q |
| 2 | 1 | Amy Mbacké Thiam | Senegal | 52.98 | Q |
| 3 | 1 | Rachael Nachula | Zambia | 53.29 | Q |
| 4 | 2 | Ndeye Fatou Soumah | Senegal | 53.38 | Q |
| 5 | 2 | Estie Wittstock | South Africa | 53.59 | Q |
| 6 | 3 | Shade Abugan | Nigeria | 53.64 | Q |
| 7 | 1 | Kgalalelo Sefo | Botswana | 53.88 | Q |
| 8 | 2 | Emily Nanziri | Uganda | 54.10 | Q |
| 9 | 4 | Nawal El Jack | Sudan | 54.35 | Q |
| 10 | 1 | Josephine Ehigie | Nigeria | 54.48 | q, SB |
| 11 | 2 | Mantegbosh Melese | Ethiopia | 55.08 | q |
| 12 | 2 | Rabecca Nachula | Zambia | 55.32 | q |
| 13 | 4 | Catherine Nandi | Kenya | 55.40 | Q |
| 14 | 4 | Fatou Diabaye | Senegal | 55.54 | q |
| 15 | 3 | Fayza Guma | Sudan | 55.56 | Q |
| 16 | 3 | Elizabeth Amolofo | Ghana | 55.69 | Q |
| 17 | 1 | Grace Miroyo Kidake | Kenya | 55.76 | |
| 18 | 2 | Kemei Emily Cherotich | Kenya | 55.80 | |
| 19 | 3 | Oarabile Babolayi | Botswana | 55.86 | |
| 20 | 3 | Agnes Aneno | Uganda | 56.12 | |
| 21 | 2 | Annabelle Lascar | Mauritius | 56.88 | |
| 22 | 1 | Tjipekapora Herunga | Namibia | 57.03 | |
| 23 | 1 | Emebet Fikadu | Ethiopia | 57.37 | |
| 24 | 4 | Fantu Megso | Ethiopia | 58.32 | |
| 25 | 4 | Claudine Rosine Yemalin | Benin | 58.74 | |
| 26 | 4 | Elisa Cossa | Mozambique | 58.87 | |
| 27 | 3 | Jeanne D'Arc Uwamahoro | Rwanda | 59.12 | |
| 28 | 4 | Natacha Ngoye | Republic of the Congo | 1:02.01 | |
| 29 | 1 | Antonieta Cape | Guinea-Bissau | 1:02.88 | |
| | 2 | Jenifer Chikwasa Msosa | Malawi | DNS | |
| | 3 | Lydie Besme Haoua | Chad | DNS | |
| | 3 | Nathalie Itok | Cameroon | DNS | |

### Semifinals

Qualification: First 3 of each semifinal (Q) and the next 2 fastest (q) qualified for the final.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 2 | Amantle Montsho | Botswana | 50.39 | Q |
| 2 | 2 | Shade Abugan | Nigeria | 52.28 | Q |
| 3 | 1 | Amy Mbacké Thiam | Senegal | 52.48 | Q |
| 4 | 1 | Ndeye Fatou Soumah | Senegal | 52.53 | Q |
| 5 | 1 | Estie Wittstock | South Africa | 52.95 | Q |
| 6 | 1 | Nawal El Jack | Sudan | 53.57 | q |
| 7 | 1 | Rabecca Nachula | Zambia | 53.69 | q |
| 8 | 2 | Rachael Nachula | Zambia | 53.95 | Q |
| 9 | 1 | Josephine Ehigie | Nigeria | 53.77 | SB |
| 10 | 1 | Kgalalelo Sefo | Botswana | 54.04 | |
| 11 | 2 | Emily Nanziri | Uganda | 54.37 | |
| 12 | 2 | Elizabeth Amolofo | Ghana | 54.43 | SB |
| 13 | 1 | Catherine Nandi | Kenya | 54.72 | |
| 14 | 2 | Mantegbosh Melese | Ethiopia | 54.92 | |
| 15 | 2 | Fayza Guma | Sudan | 55.60 | |
| 16 | 2 | Fatou Diabaye | Senegal | 56.35 | |

### Final

| Rank | Lane | Name | Nationality | Time | Notes |
| | 6 | Amantle Montsho | Botswana | 50.03 | PB |
| | 4 | Amy Mbacké Thiam | Senegal | 51.32 | SB |
| | 3 | Shade Abugan | Nigeria | 51.63 | |
| 4 | 5 | Ndeye Fatou Soumah | Senegal | 51.93 | |
| 5 | 7 | Estie Wittstock | South Africa | 52.60 | |
| 6 | 8 | Rachael Nachula | Zambia | 53.26 | |
| 7 | 2 | Nawal El Jack | Sudan | 53.80 | |
| 8 | 1 | Rabecca Nachula | Zambia | 54.12 | |