| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Czibor Zselyke (2016)Kecskeméti Sportiskola | 00:48.12 | - | 118 | |
| 2 | 4 | Gorej Anna (2015)Római Sport Egyesüle | 00:49.14 | 00:01.02 | 110 | |
| 3 | 5 | Kaszap Jázmin (2016)Római Sport Egyesüle | 00:50.92 | 00:02.80 | 99 | |
| 4 | 2 | Mihalik Lilla Hanna (2015)Kecskeméti Sportiskola | 00:51.58 | 00:03.46 | 95 | |
| 5 | 6 | Mocsai Laura (2016)Kecskeméti Sportiskola | 00:54.34 | 00:06.22 | 82 |