| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Szomolánkai Mira (2017)Darnyi Tamás SC | 49.01R:0.63 | - | 164 | |
| 2 | 2 | Bognár Emma Lotti (2016)Ferencvárosi Torna Club | 51.74R:0.66 | 02.73 | 139 | |
| 3 | 6 | Tóth Viola (2014)M-Mekler László SE | 51.90R:0.68 | 02.89 | 138 | |
| 4 | 0 | Gulyás Napsugár (2014)II. Kerületi Sport | 52.43R:0.72 | 03.42 | 134 | |
| 5 | 5 | Ning Feiya (2015)Budapesti Honvéd SE | 52.70R:0.63 | 03.69 | 132 | |
| 6 | 3 | Kesztler Natasa Éva (2016)Százhalombattai VUKSE | 54.17R:0.77 | 05.16 | 121 | |
| 7 | 8 | Szabadházi Abigél Karolina (2017)Bohóchal | 54.19R:0.66 | 05.18 | 121 | |
| 8 | 1 | Drenkovics Palmira (2016)Váci Vízmű SE | 55.58R:0.68 | 06.57 | 112 | |
| 9 | 7 | Pap-Wellner Sára (2015)DELFIN SE | 55.93R:0.9 | 06.92 | 110 | |
| 10 | 9 | Szakálos Panna Zorka (2015)Tatabányai Vizmü SE | 01:00.90R:0.6 | 11.89 | 85 |