| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 7 | Kovács Petra (2006)Iron Swim SE | 00:30.49R:0.68 | - | 464 | |
| 2 | 1 | Vidomusz Zsófia Julianna (2013)BSE Palóc Farkasok | 00:36.72R:0.74 | 00:06.23 | 265 | |
| 3 | 0 | Kovács Orsolya (2013)II. Kerületi Sport | 00:48.34R:0.92 | 00:17.85 | 116 | |
| 4 | 5 | Juhász Sára (2017)Tatabányai Vizmü SE | 00:49.40R:0.68 | 00:18.91 | 109 | |
| 5 | 3 | Pusztai Lilla Diána (2016)Tiszakécskei Vízisport Klub | 00:49.99R:0.85 | 00:19.50 | 105 | |
| 6 | 4 | Theisz Mira (2017)Darnyi Tamás SC | 00:54.22 | 00:23.73 | 82 | |
| 7 | 6 | Skerletz Viktória (2017)Váci Vízmű SE | 00:54.30 | 00:23.81 | 82 | |
| 8 | 8 | Pokornyik Anna (2016)M-Mekler László SE | 00:58.28 | 00:27.79 | 66 | |
| 9 | 9 | Dósa Szilvia (2016)Érdi Vízisport Kft | 01:03.91 | 00:33.42 | 50 | |
| 10 | 2 | Csonka Luca (2017)Váci Vízmű SE | 01:05.01 | 00:34.52 | 47 |