| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Burián Katalin (1995)Iron Swim SE | 00:29.03R:0.74 | - | 595 | |
| 2 | 2 | Egenhoffer Lia (2010)II. Kerületi Sport | 00:36.33R:0.69 | 00:07.30 | 304 | |
| 3 | 7 | Molnár Kitti (2012)II. Kerületi Sport | 00:37.91R:0.72 | 00:08.88 | 267 | |
| 4 | 0 | Csákány-Csáfordi Lea (2014)Érdi Vízisport Kft | 00:43.79R:0.77 | 00:14.76 | 173 | |
| 5 | 1 | Viszti Aisa (2013)Érdi Vízisport Kft | 00:44.95R:0.77 | 00:15.92 | 160 | |
| 6 | 5 | Szabad Anna (2016)Váci Vízmű SE | 00:46.02R:0.69 | 00:16.99 | 149 | |
| 7 | 8 | Bertók Katalin (2014)Budafóka XXII. SE | 00:46.82 | 00:17.79 | 142 | |
| 8 | 9 | Bodzán Nóra Lili (2013)Érdi Vízisport Kft | 00:50.25 | 00:21.22 | 114 | |
| 9 | 3 | Nyisztor Hanga (2014)Tatabányai Vizmü SE | 00:50.42R:0.8 | 00:21.39 | 113 | |
| 10 | 4 | Szomolánkai Mira (2017)Darnyi Tamás SC | 00:50.80 | 00:21.77 | 111 |