| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Hegyes Mirabella (2016)Kőbánya Sport Club | 46.64R:0.86 | - | 193 | |
| 2 | 4 | Balogh Emese Kata (2014)BVSC-Zugló | 46.66R:0.68 | 00.02 | 193 | |
| 3 | 8 | Nagyházi Nóra (2014)Budaörsi Sport Club | 46.93R:0.99 | 00.29 | 190 | |
| 4 | 7 | Mátyás Flóra Éva (2012)Budapesti Honvéd | 47.67R:0.72 | 01.03 | 181 | |
| 5 | 5 | Sipőcz Lora (2014)BVSC-Zugló | 48.04R:0.72 | 01.40 | 177 | |
| 6 | 1 | Nagy Kincső (2014)Tempo-Aqua SE | 49.00R:0.83 | 02.36 | 166 | |
| 7 | 2 | Máth Júlia (2015)MATE - GEAC | 49.03R:0.73 | 02.39 | 166 | |
| 8 | 3 | Angyal Vivien (2012)Érdi Vízisport Kft | 49.81R:0.81 | 03.17 | 158 |