400m Women National, Heat:1 of 2 ; Official result since 18:37
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 627 | FERAUGE LUCIE | BEL | Jun | 54.27 | |||
| 2 | 6 | 628 | KLAVER LIEKE | NED | Sen | 54.41 | |||
| 3 | 3 | 632 | VAN VLIET LEONIE | NED | Sen | 55.26 | |||
| 4 | 5 | 626 | ELLSWORTH MAUREEN | NED | Sen | 55.34 | |||
| 5 | 7 | 630 | PONETTE HELENA | BEL | Jun | 55.73 |