| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Nagy-Lakatos Blanka (2014)BVSC-Zugló | 51.78 | - | 178 | |
| 2 | 8 | Fejér Petra Anna (2013)Bohóchal | 52.03 | 00.25 | 176 | |
| 3 | 7 | Ferenczi Borbála (2015)BVSC-Zugló | 53.59 | 01.81 | 161 | |
| 4 | 2 | Rampasekova Patricia (2015)PKNZ | 53.72 | 01.94 | 159 | |
| 5 | 5 | Nguyen Huynh Tue Tam (2015)BVSC-Zugló | 54.27 | 02.49 | 155 | |
| 6 | 1 | Zhou Lili (2015)Budapesti Honvéd SE | 54.72 | 02.94 | 151 | |
| 7 | 6 | Ring Emma (2015)Budapesti Honvéd SE | 55.34 | 03.56 | 146 | |
| 8 | 3 | Stiaszni Zoé Pálma (2015)BVSC-Zugló | 56.24 | 04.46 | 139 |