| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Czibor Zselyke (2016)Kecskeméti Sportiskola | 54.44 | - | 153 | |
| 2 | 3 | Mocsai Laura (2016)Kecskeméti Sportiskola | 54.79 | 00.35 | 150 | |
| 3 | 6 | Mihalik Lilla Hanna (2015)Kecskeméti Sportiskola | 56.92 | 02.48 | 134 | |
| 4 | 4 | Nyéky Boglárka (2015)Darnyi Tamás SC | 57.74 | 03.30 | 128 |