| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 8 | Csepei Lili Viktória (2017)Bohóchal | 00:46.83R:0.61 | - | 141 | |
| 2 | 5 | Majer Dorina (2018)Vác ASC | 00:49.95R:0.64 | 00:03.12 | 116 | |
| 3 | 7 | Clark Millie (2016)Iron Swim SE | 00:53.02R:0.68 | 00:06.19 | 97 | |
| 4 | 4 | Spengler Gréta Anna (2016)Bohóchal | 00:53.18R:0.8 | 00:06.35 | 96 | |
| 5 | 3 | Németh Rebekkah (2016)Esztergomi Úszó Klub | 00:54.18R:0.64 | 00:07.35 | 91 | |
| 6 | 1 | Kiss Alíz (2015)Iron Swim SE | 00:55.08R:0.77 | 00:08.25 | 87 | |
| 7 | 6 | Sánta Karolina (2017)Csepeli Öttusa Vizis | 01:07.14R:0.65 | 00:20.31 | 48 | |
| - | 2 | Máriaföldy Nóra Viktória (2016)Budapesti Honvéd SE | DNS |