| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Juhász Maja (2017)KASI | 00:38.26R:0.83 | - | 234 | |
| 2 | 0 | Radnai Szofi (2016)DSI | 00:39.93 | 00:01.67 | 206 | |
| 3 | 5 | Pallián Darinka (2015)Pécsi Sportiskola | 00:40.29R:0.62 | 00:02.03 | 201 | |
| 4 | 8 | Fehérvári Léna (2016)DSI | 00:40.31 | 00:02.05 | 200 | |
| 5 | 3 | Besenczi Liána (2017)Zalaco ZÚK | 00:41.33 | 00:03.07 | 186 | |
| 6 | 9 | Rab Gerda (2017)Pécsi Sportiskola | 00:41.60 | 00:03.34 | 182 | |
| 7 | 7 | Jakab Natasa (2017)DSI | 00:42.65 | 00:04.39 | 169 | |
| 8 | 1 | Gucsi-Végh Szofia (2018)Keszthelyi Kiscápák | 00:43.38 | 00:05.12 | 161 | |
| - | 6 | Császár Janka (2014)Pécsi Sportiskola | DNS | |||
| - | 2 | Farkas Gréta (2016)KASI | DSQ |