400m women, Heat:1 of 4 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 6 | 9240 | Ellsworth Maureen | NED | Sen | 54.16 | |||
| 2 | 5 | 9262 | Becker Sophie | IRL | Sen | 54.98 | |||
| 3 | 8 | 9287 | Chantraine Laura | FRA | Sen | 55.73 | |||
| 4 | 3 | 1183 | Pieroni Messalina | LOOI | Sen | 56.07 | |||
| 5 | 7 | 2111 | Fickers Marie | LACE | Sen | 56.11 | |||
| 6 | 1 | 9288 | Anderson Nina | GBR | Sen | 57.56 | |||
| 7 | 4 | 1869 | Vanfleteren Riet | LEBB | Sen | 57.58 | |||
| 8 | 2 | 9290 | Sarahlise Degny | FRA | Sen | 58.06 | |||
| 9 | 9 | 9289 | Krumlovsky Tamara | LUX | Sen | 59.28 |