| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Ollé Borbála (2016)Darnyi Tamás SC | 50.86 | - | 147 | |
| 2 | 4 | Mikita Emily (2017)Kőbánya Sport Club | 52.50R:0.32 | 01.64 | 133 | |
| 3 | 5 | Szomolánkai Mira (2017)Darnyi Tamás SC | 53.16R:0.66 | 02.30 | 128 | |
| 4 | 2 | Bodzán Nóra Lili (2013)Érdi Vízisport Kft | 53.59R:0.7 | 02.73 | 125 | |
| 5 | 3 | Nagy Zselyke (2016)Monori Sport Egyes. | 57.50R:0.65 | 06.64 | 101 | |
| 6 | 7 | Kesztler Natasa Éva (2016)Százhalombattai VUKSE | 59.16R:0.72 | 08.30 | 93 | |
| 7 | 8 | Rávai Lilla (2016)Darnyi Tamás SC | 01:00.08R:0.65 | 09.22 | 89 | |
| 8 | 9 | Horváth Barbara (2017)Csepeli Öttusa Vizis | 01:00.83R:0.79 | 09.97 | 86 | |
| 9 | 1 | Rezsonya Fruzsina Flóra (2017)Kis-Pingvin SE | 01:03.05R:0.95 | 12.19 | 77 | |
| 10 | 0 | Kiss Boglárka (2016)Váci Vízmű SE | 01:03.34R:0.87 | 12.48 | 76 |