| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Ozvald Lotti Lilla (2014)Váci Vízmű SE | 00:48.41R:0.62 | - | 173 | |
| 2 | 2 | Sebestyén Gréta (2012)Érdi Vízisport Kft | 00:48.50R:0.75 | 00:00.09 | 172 | |
| 3 | 1 | Kovács Kincső Alma (2015)Váci Vízmű SE | 00:49.42R:0.73 | 00:01.01 | 162 | |
| 4 | 3 | Hollósi Lilla Amira (2014)Iron Swim SE | 00:49.65R:0.57 | 00:01.24 | 160 | |
| 5 | 6 | Sáry Arina (2014)Kőbánya Sport Club | 00:50.77R:0.96 | 00:02.36 | 150 | |
| 6 | 5 | Mihály Nóra (2012)Egri Úszó Klub | 00:51.76R:0.64 | 00:03.35 | 141 | |
| 7 | 7 | Ciorba Karina (2013)ACS Academia De Inot Baia Mare | 00:52.75R:0.65 | 00:04.34 | 133 | |
| 8 | 8 | Matkovicz Linett (2014)KÚKSE | 00:52.97R:0.66 | 00:04.56 | 132 |