| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 2 | Köllő Diána (2014)Hullám 91 | 00:45.32R:0.82 | - | 208 | |
| 2 | 6 | Tóth Szófia Izabella (2017)Vitál Sport | 00:50.28R:0.87 | 00:04.96 | 152 | |
| 3 | 7 | Atlasz Emília (2017)PUSE | 00:50.53R:0.69 | 00:05.21 | 150 | |
| 4 | 5 | Horváth Lili (2015)KASI | 00:50.59R:0.95 | 00:05.27 | 149 | |
| 5 | 0 | Peszleg Dorottya (2015)Zalaco ZÚK | 00:51.65R:0.74 | 00:06.33 | 140 | |
| 6 | 4 | Rugási Bíborka (2016)PVM SK | 00:52.57R:0.67 | 00:07.25 | 133 | |
| 7 | 8 | Törkő Nóra (2016)Vitál Sport | 00:52.60R:0.67 | 00:07.28 | 133 | |
| 8 | 3 | Mánn Zsuzsanna (2014)Vitál Sport | 00:52.87R:0.72 | 00:07.55 | 131 | |
| 9 | 9 | Tóth Dóra Anna (2015)Kaposvári Adorján | 00:53.13 | 00:07.81 | 129 | |
| 10 | 1 | Tombor Zoé (2017)Vitál Sport | 00:53.95R:0.78 | 00:08.63 | 123 |