400 m Nat. Dames, Heat:3 of 4 ; Official result since 18:24
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 1474 | DE MAREZ MANON | 54.02 | BEL | Sen | 54.24 | ||
| 2 | 4 | 9078 | MULLER LAURA | 51.69 | GER | Sen | 54.38 | ||
| 3 | 6 | 1299 | CLAEYS ELINE | 53.29 | BEL | Sen | 54.57 | ||
| 4 | 7 | 9061 | ARNAIZ MARIA VIOLETA | 54.57 | CHI | Sen | 54.59 | ||
| 5 | 3 | 1219 | VAN DER MEULEN CLOE | 54.36 | BEL | Sen | 55.57 | ||
| 6 | 2 | 8560 | WINTQUIN MAYA | 55.99 | BEL | Cad | 56.81 | ||
| 7 | 8 | 1414 | FICKERS MARIE | 55.15 | BEL | Sen | 58.23 |