| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Joó Luca Hanna (2015)Szombathelyi SK SI | 46.79R:0.85 | - | 189 | |
| 2 | 5 | Benkő Csenge (2017)Szombathelyi SK SI | 47.71R:0.65 | 00.92 | 178 | |
| 3 | 6 | Sipos Minka Ildikó (2015)DSI | 51.14R:0.67 | 04.35 | 144 | |
| 4 | 2 | Bosztonics Médea (2016)Szigetvár DELFIN Úsz | 56.11R:0.77 | 09.32 | 109 | |
| 5 | 7 | Harkai Lili Emese (2017)Pécsi Sportiskola | 01:00.65R:0.61 | 13.86 | 86 | |
| 6 | 4 | Varga Noémi (2017)Keszthelyi Kiscápák | 01:00.69R:0.79 | 13.90 | 86 |