| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Szlovák Panna Dóra (2015)Debreceni Sportc. SI | 42.99 | - | 165 | |
| 2 | 2 | Barta Liza (2014)Debreceni Sportc. SI | 43.68 | 00.69 | 157 | |
| 3 | 7 | Horváth Enikő (2016)Debreceni Sportc. SI | 44.61R:0.46 | 01.62 | 148 | |
| 4 | 4 | Bernáth Blanka (2015)Miskolci Sportiskola | 44.79 | 01.80 | 146 | |
| 5 | 3 | Ardelean Olivia Ameli (2016)Létavértes | 46.25 | 03.26 | 133 | |
| 6 | 6 | Csige Zsuzsanna (2014)Létavértes | 46.53R:0.83 | 03.54 | 130 | |
| 7 | 8 | Papp Liliána (2015)NYSC | 49.53 | 06.54 | 108 | |
| 8 | 1 | Csepregi Virág (2016)Létavértes | 50.40 | 07.41 | 102 | |
| 9 | 0 | Farkas Emma (2015)NYSC | 51.45 | 08.46 | 96 | |
| 10 | 9 | Szálku Mia Emma (2016)Létavértes | 53.56 | 10.57 | 85 |