| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Duska Rebeka (2014)Ybl Waterpolo Club | 00:46.94 | - | 140 | |
| 2 | 2 | Hegyes Mirabella (2016)Kőbánya Sport Club | 00:49.81 | 00:02.87 | 117 | |
| 3 | 4 | Karsai Róza Réka (2012)Gigászok SE | 00:51.71 | 00:04.77 | 105 | |
| 4 | 6 | Pap Ágnes (2014)Kőbánya Sport Club | 00:53.17 | 00:06.23 | 96 | |
| 5 | 3 | Martinovics Mira (2014)Bálinti Úszó Egyes. | 00:53.65 | 00:06.71 | 94 | |
| 6 | 7 | Bóna Júlia (2012)Kőbánya Sport Club | 00:57.86 | 00:10.92 | 75 |