400m Women 1st round, Heat:1 of 2 ; Official result since 17:33
| Rank | Lane | ID | Name | SB | Team | Cat | Result | Info | Video |
| 1 | 7 | 81 | Ada BENJAMIN | NGR | Jun | 53.07 | Q | ||
| 2 | 8 | 24 | TAREKE Selam ABRHALEY | ETH | Jun | 54.21 | Q | ||
| 3 | 5 | 1 | Dihia HADDAR | ALG | Jun | 55.53 | Q | ||
| 4 | 2 | 9 | Christine BOTLOGETSWE | BOT | Jun | 57.26 | q | ||
| 3 | 106 | Susan ANENO | UGA | Jun | DNS | ||||
| 4 | 105 | Issa BABOU | SEN | Jun | DNS | ||||
| 6 | 51 | Adelaide NKRUMAH | GHA | Jun | DNS | ||||
| 1 | 5 | AGBETY Foumilayo Mariette | BEN | Jun | DNS |
