400 meter Women Heats, Heat:1 of 5 ; Official result since 12:43
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 1 | 891 | COETZEE Miranda | 51.5 | RSA | Senior | 52.11 | Q | |
| 2 | 7 | 977 | MINGILISHI Niddy | 52.86 | ZAM | Senior | 53.21 | Q | |
| 3 | 4 | 683 | GEMECHU Tsige Duguma | 53.83 | ETH | Senior | 54.43 | q | |
| 4 | 6 | 754 | SHIKANDA Jacinta | 53.97 | KEN | Senior | 54.73 | q | |
| 5 | 3 | 815 | HAINGURA Mudi-inosensia | NAM | Senior | 1:01.34 | |||
| 5 | 658 | BULABULA Linda | 56.2 | COD | Senior | DNS | |||
| 8 | 1040 | SAMIRA Awali Boubacar | 55 | NIG | Senior | DNS |