| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Németh Lotti (2013)Hullám 91 | 40.85R:0.83 | - | 194 | |
| 2 | 0 | Szabó Emma (2013)Csepeli Öttusa Vizis | 43.97 | 03.12 | 156 | |
| 3 | 1 | Parragh-Tarsoly Szófia (2013)Csepeli Öttusa Vizis | 44.71R:0.98 | 03.86 | 148 | |
| 4 | 4 | Kovács Nadin (2013)Csepeli Öttusa Vizis | 44.90R:0.68 | 04.05 | 146 | |
| 5 | 8 | Fülöp Boglárka (2012)Csepeli Öttusa Vizis | 46.34 | 05.49 | 133 | |
| 6 | 3 | Tóth-Györei Johanna (2013)Szhalombattai VUK SE | 49.55R:0.87 | 08.70 | 109 | |
| 7 | 9 | Babinszky Réka Nóra (2015)Monori Sport Egyes. | 51.12 | 10.27 | 99 | |
| 8 | 6 | Balla Bíborka Csenge (2013)Szhalombattai VUK SE | 51.49R:0.81 | 10.64 | 97 | |
| 9 | 2 | Pilhál Borbála (2015)FTC | 51.55 | 10.70 | 96 | |
| 10 | 7 | Kovács Eszter (2017)FTC | 01:08.29 | 27.44 | 41 |