| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Szabó Hanna (2016)FTC | 00:47.86 | - | 176 | |
| 2 | 3 | Foki Alíz (2017)Balaton ÚK Veszprém | 00:48.83 | 00:00.97 | 166 | |
| 3 | 0 | Benedeczki Zita (2017)Balatonakarattyai SK | 00:48.99 | 00:01.13 | 164 | |
| 4 | 7 | Kövics Kíara Csinszka (2017)DKSE Dunaújváros | 00:49.50 | 00:01.64 | 159 | |
| 5 | 6 | Nagy-Markó Nélia (2015)DKSE Dunaújváros | 00:50.55 | 00:02.69 | 150 | |
| 6 | 2 | Halász Effi (2016)Veszprémi Úszó Klub | 00:51.65 | 00:03.79 | 140 | |
| 7 | 4 | Liebich Dalma Lea (2015)FTC | 00:51.97 | 00:04.11 | 138 | |
| 8 | 1 | Dömjén Anna (2017)Balaton ÚK Veszprém | 00:53.76 | 00:05.90 | 124 | |
| 9 | 9 | Horváth Zoé (2017)DKSE Dunaújváros | 00:58.61 | 00:10.75 | 96 | |
| - | 8 | Borbély Viktória (2014)Balaton ÚK Veszprém | DNS |