| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Fecskovics Zoé Gabrielle (2015)CASTOR SE | 00:47.02R:0.91 | - | 154 | |
| 2 | 4 | Kőrösi Ziva Bella (2018)Kőbánya Sport Club | 00:59.90R:0.83 | 00:12.88 | 74 | |
| 3 | 6 | Fecskovics Lexa Mira (2018)CASTOR SE | 01:00.58R:0.69 | 00:13.56 | 72 | |
| - | 5 | Szakolczai Vivien (2017)Darnyi Tamás SC | DSQ |