| Final | time | | L | React. | | 1. Nigeria |  NGR | 3:27.12 | | 4 | 0.326 | | Rita Ossai, Funke Oladoye, Adeloye Oluwatosin, Patience Okon George | | 2. Botswana |  BOT | 3:32.84 | | 3 | 0.190 | | Lydia Jele, Goitseone Seleka, Galefele Moroko, Christine Botlogetsve | | 3. Kenya |  KEN | 3:35.91 | | 8 | 0.282 | | Hellen Syombua, Annet Mwanzi, Winnie Chebet, Maureen Nyatichi | | 4. Ethiopia |  ETH | 3:39.99 | | 7 | 0.237 | | Tegest Tamagnu, Kore Tola, Nema Sefa, Chaltu Shume | | 5. Congo |  CGO | 3:49.46 | NR | 5 | 0.215 | | Sarah Nguet, Ruth Okounikala, Duval Moliba, Natacha Ngoye Akamabi | | -. Cameroun |  CMR | DQ R162.8 | | 6 | | | Marie Jaine Eba, Irene Bell Bonong, Germaine Abessolo Bivina, Audrey Nkamsao | | -. Sudan |  SUD | DNS | | 2 | |
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