| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Vágó Alexandra (2014)Kis-Pingvin SE | 50.64 | - | 193 | |
| 2 | 1 | Lőrincz Laura (2013)BVSC-Zugló | 50.88 | 00.24 | 190 | |
| 3 | 2 | Kubuk Boglárka (2013)II. Kerületi Sport | 51.03 | 00.39 | 189 | |
| 4 | 4 | Kalóczkai Petra Zoé (2015)Merkapt-Mekler Lász | 51.64 | 01.00 | 182 | |
| 5 | 7 | Barta Liza (2014)Debreceni Sportc. SI | 52.20 | 01.56 | 176 | |
| 6 | 5 | Hegyes Mirabella (2016)Kőbánya Sport Club | 53.90 | 03.26 | 160 | |
| 7 | 8 | Ferenczi Borbála (2015)BVSC-Zugló | 54.64 | 04.00 | 154 | |
| 8 | 6 | Németh Lujza Júlia (2015)BVSC-Zugló | 56.39 | 05.75 | 140 |