| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Pece Mirabella (2014)BVSC-Zugló | 00:34.71 | - | 314 | |
| 2 | 3 | Karczag Kira Jázmin (2014)Miskolci Sportiskola | 00:34.93 | 00:00.22 | 308 | |
| 3 | 5 | Galambos Léna (2014)Miskolci Sportiskola | 00:35.18 | 00:00.47 | 302 | |
| 4 | 2 | Hollósi Lilla Amira (2014)BVSC-Zugló | 00:36.95 | 00:02.24 | 260 | |
| 5 | 6 | Balogh Emese Kata (2014)BVSC-Zugló | 00:37.45 | 00:02.74 | 250 | |
| 6 | 1 | Balázs Luca Anna (2015)Létavértes | 00:38.12 | 00:03.41 | 237 | |
| 7 | 7 | Takács Barka Lilla (2015)Budaörsi Sport Club | 00:38.69 | 00:03.98 | 227 | |
| 8 | 8 | Fülöp Kata (2014)Hatvani Úszó Klub SE | 00:39.36 | 00:04.65 | 215 |