| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Hegedűs Rozália Anna (2015)BVSC-Zugló | 45.92 | - | 150 | |
| 2 | 5 | Nagy-Lakatos Blanka (2014)BVSC-Zugló | 46.29 | 00.37 | 146 | |
| 3 | 6 | Szilágyi Liliána (2014)BVSC-Zugló | 48.40 | 02.48 | 128 | |
| 4 | 2 | Pap Ágnes (2014)Kőbánya Sport Club | 48.45 | 02.53 | 128 | |
| 5 | 3 | Hegyes Mirabella (2016)Kőbánya Sport Club | 48.74 | 02.82 | 125 | |
| 6 | 1 | Jéger Gréta Andrea (2014)BVSC-Zugló | 53.86 | 07.94 | 93 | |
| 7 | 7 | Gyönyörű Zília (2015)Kőbánya Sport Club | 54.38 | 08.46 | 90 |