| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 9 | Lamos Dorka (2014)Miskolci Sportiskola | 44.22R:0.71 | - | 224 | |
| 2 | 0 | Simon Zita (2015)Miskolci Sportiskola | 49.91R:0.84 | 05.69 | 155 | |
| 3 | 7 | Juhász Petra (2016)Debreceni Sportc. SI | 50.83R:0.62 | 06.61 | 147 | |
| 4 | 5 | Farkas Emma (2015)NYSC | 52.57 | 08.35 | 133 | |
| 5 | 4 | Radvánszki Léna (2015)NYSC | 53.13R:0.68 | 08.91 | 129 | |
| 6 | 3 | Farkas Frida (2015)NYSC | 53.90R:0.67 | 09.68 | 123 | |
| 7 | 2 | Papp Liliána (2015)NYSC | 54.11R:0.67 | 09.89 | 122 | |
| 8 | 6 | Holes Hanga (2015)NYSC | 56.49R:0.7 | 12.27 | 107 | |
| 9 | 8 | Hudra Dorina Anasztázia (2016)Debreceni Sportc. SI | 59.72 | 15.50 | 90 | |
| 10 | 1 | Csepregi Csenge (2017)Létavértes | 01:03.14R:0.58 | 18.92 | 76 |