400 meter Women Heats, Heat:3 of 5 ; Official result since 12:43
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 1 | 744 | MUTUA Veronica | 53.3 | KEN | Senior | 52.97 | Q | |
| 2 | 6 | 782 | SIMWAKA Asimenye | 52.9 | MAW | Senior | 53.27 | Q | |
| 3 | 7 | 910 | MOLEPO Precious | 52.84 | RSA | Senior | 53.32 | q | |
| 4 | 5 | 611 | BOTLOGETSWE Christine | 53.66 | BOT | Senior | 54.02 | q | |
| 3 | 854 | ONOJUVWEVWO Ella | 54.71 | NGR | Senior | DNS | |||
| 8 | 1010 | BOUELE BONDO Cecilia | 54..20 | CGO | Senior | DNS |