| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 1 | Pinkóczi Dorottya (2014)Iron Swim SE | 46.25R:0.74 | - | 195 | |
| 2 | 3 | Ternyák Anna (2014)Százhalombattai VUKSE | 47.08R:0.64 | 00.83 | 185 | |
| 3 | 6 | Cséplő Frida Elena (2016)Kőbánya Sport Club | 47.35R:0.66 | 01.10 | 182 | |
| 4 | 7 | Horváth Szonja Dorina (2014)Százhalombattai VUKSE | 47.88R:0.75 | 01.63 | 176 | |
| 5 | 9 | Máté Korina Milena (2015)Budafóka XXII. SE | 49.83R:0.77 | 03.58 | 156 | |
| 6 | 0 | Lakos Lili Nóra (2014)Budafóka XXII. SE | 50.73R:0.83 | 04.48 | 148 | |
| 7 | 8 | Devecseri Liliána (2014)Budafóka XXII. SE | 51.18R:0.95 | 04.93 | 144 | |
| 8 | 2 | Fuszkó-Horváth Izabella (2014)Százhalombattai VUKSE | 57.17R:0.47 | 10.92 | 103 | |
| 9 | 4 | Tubak-Csörnyei Boglárka (2017)Tiszakécskei Vízis | 57.94R:0.65 | 11.69 | 99 | |
| 10 | 5 | Mohácsi Karolina (2017)Csepeli Öttusa Vizis | 01:15.09R:0.96 | 28.84 | 45 |