| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Jámbrik Dóra (2015)KESI | 48.02 | - | 175 | |
| 2 | 2 | Dongó Helga Gizella (2014)KESI | 48.57 | 00.55 | 169 | |
| 3 | 4 | Sramkó Gréta (2015)Orosháza UE | 49.03 | 01.01 | 164 | |
| 4 | 3 | Illés Kamilla (2015)SZVUK (régi) | 50.85 | 02.83 | 147 | |
| 5 | 8 | Nagy Zselyke (2016)Monori Sport Egyes. | 51.28 | 03.26 | 143 | |
| 6 | 5 | Szobácsi Sára (2015)Hód Úszó SE | 53.19 | 05.17 | 128 | |
| 7 | 9 | Kovács Anna (2015)KESI | 53.87 | 05.85 | 123 | |
| 8 | 7 | Cser Regina (2016)Algyő | 54.31 | 06.29 | 120 | |
| 9 | 1 | Bojda-Török Mirabell (2015)NICS-HSÚVC | 54.45 | 06.43 | 120 | |
| 10 | 0 | Kovács Dorka (2016)KESI | 55.38 | 07.36 | 114 |