| Final 17:40 | time | | L | React. | bib | | 1. Kabange Mupopo |  ZAM | 50.22s | NR | 4 | 0.157 | 581 | | 2. Patience Okon George |  NGR | 50.71s | | 5 | 0.219 | 413 | | 3. Tjipekapora Herunga |  NAM | 51.55s | | 8 | 0.207 | 390 | | 4. Adeloye Oluwatosin | NGR | 51.82s | | 7 | 0.217 | 435 | | 5. Margaret Etim | NGR | 52.64s | | 6 | 0.186 | 409 | | 6. Leni Shida |  UGA | 52.86s | | 3 | 0.327 | 575 | | 7. Djienebou Dante' |  MLI | 53.41s | | 9 | 0.211 | 360 | | 8. Lydia Jele |  BOT | 53.85s | | 2 | 0.176 | 32 |
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| Records | | Rec | Athlete | time | Birth | Venue | date | | WR | Marita Koch |  GDR | 47.60s | 1957 | Canberra | 06/10/1985 | | AR | Falilat Ogunkoya | NGR | 49.10s | 1968 | Atlanta | 29/07/1996 | | CR | Fatima Yusuf | NGR | 49.43s | | Harare | 1995 |
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Semi-Finals - Monday 14.09 Afternoon session | | First 3 and best 2 progress to Final. |
| Ranking | time | | L | React. | bib | | 1. Patience Okon George | NGR | 51.77s | | 5 | 0.194 | 413 | | 2. Margaret Etim | NGR | 52.34s | | 6 | 0.167 | 409 | | 3. Dienebou Dante' | MLI | 52.51s | NR | 7 | 0.177 | 360 | | 4. Lydia Jele | BOT | 52.57s | SB | 4 | 0.212 | 32 | | 5. Justine Palframan |  RSA | 52.75s | | 9 | 0.165 | 470 | | 6. Phumlile Ndzinisa |  SWZ | 53.02s | NR | 3 | 0.244 | 549 | | 7. Hellen Syombua |  KEN | 53.05s | SB | 8 | 0.253 | 331 | | 8. Goitseone Seleka | BOT | 53.23s | | 2 | 0.198 | 43 |
| Ranking | time | | L | React. | bib | | 1. Kabange Mupopo | ZAM | 50.94s | | 6 | 0.190 | 581 | | 2. Adeloye Oluwatosin | NGR | 51.24s | | 4 | 0.209 | 435 | | 3. Tjipekapora Herunga | NAM | 51.51s | SB | 7 | 0.170 | 390 | | 4. Leni Shida | UGA | 52.51s | SB | 9 | 0.306 | 575 | | 5. Fatoumata Diop |  SEN | 52.79s | SB | 3 | 0.198 | 490 | | 6. Maureen Nyatichi | KEN | 53.11s | | 5 | 0.176 | 323 | | 7. Christine Botlogetsve | BOT | 54.32s | | 2 | 0.293 | 30 | | 8. Audrey Nkamsao |  CMR | 56.33s | | 8 | 0.204 | 134 |
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| Ranking | time | | L | React. | bib | | 1. Kabange Mupopo | ZAM | 51.19s | | 4 | 0.185 | 581 | | 2. Adeloye Oluwatosin | NGR | 51.86s | | 7 | 0.217 | 435 | | 3. Leni Shida | UGA | 53.00s | Sb | 8 | 0.292 | 575 | | 4. Fatoumata Diop | SEN | 53.07s | | 2 | 0.183 | 490 | | 5. Phumlile Ndzinisa | SWZ | 53.14s | NR | 5 | 0.242 | 549 | | 6. Goitseone Seleka | BOT | 53.27s | | 6 | 0.232 | 43 | | 7. Medihb Gebremariam |  ETH | 58.65s | | 3 | 0.305 | 201 |
| Ranking | time | | L | React. | bib | | 1. Lydia Jele | BOT | 52.86s | | 5 | 0.168 | 32 | | 2. Margaret Etim | NGR | 53.18s | | 3 | 0.201 | 409 | | 3. Hellen Syombua | KEN | 53.88s | SB | 2 | 0.284 | 331 | | 4. Nema Sefa | ETH | 56.96s | | 8 | 0.132 | 229 | | 5. Sarah Nguet |  CGO | 57.72s | | 6 | 0.170 | 93 | | 6. Jamous Nawal |  SUD | 1:01.51 | | 7 | 0.493 | 543 | | 7. Maryam Nuh Muse |  SOM | 1:09.83 | | 4 | 0.180 | 520 |
| Ranking | time | | L | React. | bib | | 1. Patience Okon George | NGR | 52.87s | | 5 | 0.277 | 413 | | 2. Dienebou Dante' | MLI | 52.97s | | 6 | 0.195 | 360 | | 3. Justine Palframan | RSA | 53.56s | | 2 | 0.162 | 470 | | 4. Christine Botlogetsve | BOT | 54.30s | | 7 | 0.294 | 30 | | 5. Rhoda Njobvu | ZAM | 54.35s | SB | 8 | 0.305 | 583 | | 6. Natacha Ngoye Akamabi | CGO | 54.91s | | 3 | 0.163 | 91 | | 7. Tegest Tamagnu | ETH | 55.59s | | 4 | 0.211 | 233 |
| Ranking | time | | L | React. | bib | | 1. Tjipekapora Herunga | NAM | 53.40s | | 7 | 0.311 | 390 | | 2. Maureen Nyatichi | KEN | 53.87s | | 3 | 0.153 | 323 | | 3. Audrey Nkamsao | CMR | 56.26s | | 4 | 0.196 | 134 | | 4. Mariama Conteh |  SLE | 57.15s | SB | 8 | 0.355 | 510 | | 5. Saoudatou Toure' |  GUI | 58.64s | | 5 | 0.182 | 276 | | 6. Mireille Tshakwiza |  COD | 59.92s | SB | 6 | 0.206 | 144 | | 7. Suzan Loui Saleh Bamanga |  SSD | 1:05.69 | | 2 | 0.394 | 529 |
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