| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Huczek Lili (2014)BVSC-Zugló | 46.03 | - | 135 | |
| 2 | 1 | Ollé Borbála (2016)Darnyi Tamás SC | 46.07 | 00.04 | 135 | |
| 3 | 2 | Modla Hanna (2015)BVSC-Zugló | 47.91 | 01.88 | 120 | |
| 4 | 5 | Németh Lujza Júlia (2015)BVSC-Zugló | 49.23 | 03.20 | 111 | |
| 5 | 4 | Nagy Zselyke (2016)Monori Sport Egyes. | 49.61 | 03.58 | 108 | |
| 6 | 8 | Godár Viola (2015)Darnyi Tamás SC | 50.93 | 04.90 | 100 | |
| 7 | 7 | Rávai Lilla (2016)Darnyi Tamás SC | 59.40 | 13.37 | 63 | |
| 8 | 3 | Marton Szonja Eszter (2015)BVSC-Zugló | 59.61 | 13.58 | 62 |