| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Clark Maya (2013)Iron Swim SE | 00:46.41R:0.69 | - | 193 | |
| 2 | 0 | Sárga Zoé Magdolna (2011)M-Mekler László SE | 00:47.10R:0.79 | 00:00.69 | 185 | |
| 3 | 8 | Mihályi Luca (2017)M-Mekler László SE | 00:48.82R:0.67 | 00:02.41 | 166 | |
| 4 | 4 | Szántó Emma (2017)Iron Swim SE | 00:49.56R:0.7 | 00:03.15 | 159 | |
| 5 | 5 | Szabó Dalma Adél (2018)Budapesti Honvéd SE | 00:50.52R:0.58 | 00:04.11 | 150 | |
| 6 | 2 | Kiss Alíz (2015)Iron Swim SE | 00:50.75R:0.76 | 00:04.34 | 148 | |
| 7 | 1 | Bódi Lorin (2017)M-Mekler László SE | 00:52.33R:0.77 | 00:05.92 | 135 | |
| 8 | 7 | Knitli Sára (2018)Gigászok SE | 00:52.96R:0.63 | 00:06.55 | 130 | |
| - | 3 | Máriaföldy Liza Zsófia (2018)Budapesti Honvéd SE | DNS |