| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Kósa Szonja (2014)Váci Vízmű Sportegyesület | 00:39.93R:0.68 | - | 229 | |
| 2 | 5 | Koncz Nóra (2015)MATE - GEAC | 00:41.06R:0.75 | 00:01.13 | 210 | |
| 3 | 6 | Hegyes Mirabella (2016)Kőbánya Sport Club | 00:42.18R:0.67 | 00:02.25 | 194 | |
| 4 | 4 | Tabi Viktória Dóra (2015)FTC | 00:45.07R:0.73 | 00:05.14 | 159 | |
| 5 | 7 | Karzazi Lilya (2015)Budapesti Honvéd Sportegyesület | 00:48.99R:0.69 | 00:09.06 | 124 | |
| 6 | 1 | Ollé Borbála (2016)Darnyi Tamás SC | 00:51.81R:0.51 | 00:11.88 | 104 | |
| 7 | 8 | Szomolánkai Mira (2017)Darnyi Tamás SC | 00:52.12 | 00:12.19 | 102 | |
| 8 | 2 | Ring Emma (2015)Budapesti Honvéd Sportegyesület | 00:52.49R:0.52 | 00:12.56 | 100 | |
| 9 | 0 | Hrahoviczky Zsófia (2016)Újpesti Torna Egylet | 00:53.95R:0.72 | 00:14.02 | 92 | |
| 10 | 9 | Gelegonya Panka (2016)Budapesti Honvéd Sportegyesület | 00:57.20 | 00:17.27 | 77 |