| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Szalkai Szonja (2014)KESI | 52.21 | - | 92 | |
| 2 | 2 | Kovács Dorka (2016)KESI | 53.32 | 01.11 | 86 | |
| 3 | 4 | Gila Zselyke (2017)Four Diamonds SE | 55.87 | 03.66 | 75 | |
| 4 | 7 | Kovács Anna (2015)KESI | 56.59 | 04.38 | 72 | |
| 5 | 3 | Kuhár Dorina (2017)Hód Úszó SE | 58.48 | 06.27 | 65 | |
| 6 | 5 | Dimic Tiana (2017)Four Diamonds SE | 01:03.44 | 11.23 | 51 |