400 meter National AC Women, Heat:3 of 3 ; Official result since 18:49
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 595 | LAVENDER JORDAN | USA | Sen | 54.02 | |||
| 2 | 4 | 590 | BOONE KATRIJN | HAC | Sen | 55.88 | |||
| 3 | 6 | 591 | FICKERS MARIE | LACE | Jun | 57.26 | |||
| 4 | 7 | 596 | PIERONI MESSALINA | LOOI | Sch | 57.69 | |||
| 5 | 3 | 592 | GEIGER NATALIE | CAN | Sen | 58.42 | |||
| 6 | 2 | 597 | VALIENTE VENA BEATRIZ | ESP | Mas | 1:00.47 |