| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 1 | Csákány-Csáfordi Lea (2014)Érdi Vízisport Kft | 48.45R:0.65 | - | 172 | |
| 2 | 5 | Déri Anna (2015)Tempo-Aqua SE | 50.69R:0.79 | 02.24 | 150 | |
| 3 | 4 | Zhou Lili (2015)Budapesti Honvéd | 52.91R:0.77 | 04.46 | 132 | |
| 4 | 2 | Ollé Borbála (2016)Darnyi Tamás SC | 53.61R:0.62 | 05.16 | 127 | |
| 5 | 8 | Simon Enikő (2015)Darnyi Tamás SC | 54.15 | 05.70 | 123 | |
| 6 | 3 | Szomolánkai Mira (2017)Darnyi Tamás SC | 54.90R:0.66 | 06.45 | 118 | |
| 7 | 7 | Szarka Lilla (2014)Érdi Vízisport Kft | 55.46R:0.82 | 07.01 | 115 | |
| 8 | 6 | Rávai Lilla (2016)Darnyi Tamás SC | 59.69R:0.71 | 11.24 | 92 |