| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 2 | Chang’anamuno Tayamika (2000)Stipendium Hungaricum | 00:33.87R:0.78 | - | 375 | |
| 2 | 7 | Resze-Horváth Mira (2015)Ferencvárosi Torna Club | 00:46.64R:0.77 | 00:12.77 | 143 | |
| 3 | 1 | Birta Hanna Iringó (2014)Ferencvárosi Torna Club | 00:53.33R:0.57 | 00:19.46 | 96 | |
| 4 | 9 | Pályi Luca Zsófia (2011)Megathlon SE | 00:55.76R:0.67 | 00:21.89 | 84 | |
| 5 | 8 | Seres Lilien (2016)Debreceni Sportc. SI | 00:55.98 | 00:22.11 | 83 | |
| 6 | 0 | Réfi Emese (2011)Megathlon SE | 00:56.52R:0.85 | 00:22.65 | 80 | |
| 7 | 5 | BRADEA RAISA (2016)Clubul Sportiv Crisul | 00:59.80R:0.82 | 00:25.93 | 68 | |
| 8 | 4 | ALBUI ELENA (2015)Clubul Sportiv Crisul | 01:00.67 | 00:26.80 | 65 | |
| 9 | 3 | MNERAU SOFIA (2016)Clubul Sportiv Crisul | 01:07.45R:0.62 | 00:33.58 | 47 | |
| 10 | 6 | Sánta Karolina (2017)Csepeli Öttusa Vizis | 01:26.95R:0.81 | 00:53.08 | 22 |