| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Tokodi Zóra Rebeka (2014)BSE Palóc Farkasok | 49.95R:0.62 | - | 155 | |
| 2 | 5 | Parragh-Tarsoly Szófia (2013)Csepeli Öttusa Vizis | 50.16R:0.56 | 00.21 | 153 | |
| 3 | 3 | Godár Viola (2015)Darnyi Tamás SC | 57.33R:0.69 | 07.38 | 102 | |
| 4 | 7 | Molnár Zselyke (2014)JMSE | 59.67R:0.68 | 09.72 | 91 | |
| 5 | 2 | Bai Yu (2015)JMSE | 01:02.80R:0.69 | 12.85 | 78 | |
| 6 | 4 | Mohácsi Karolina (2017)Csepeli Öttusa Vizis | 01:10.28R:0.78 | 20.33 | 55 | |
| 7 | 1 | Harazi Anna (2017)JMSE | 01:13.45R:0.95 | 23.50 | 48 |