| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Jozsa Zonga Cinnia (2014)ISK Marosvásárhely | 00:32.95 | - | 383 | |
| 2 | 5 | Schmél Gerda (2014)KKH ÚGYE | 00:33.02 | 00:00.07 | 381 | |
| 3 | 3 | Kun Zselyke (2014)NICS-HSÚVC | 00:33.30 | 00:00.35 | 371 | |
| 4 | 7 | ZIANA GIURGIU (2015)CLUBUL SPORTIV SCOLAR GLORIA ARAD | 00:35.57 | 00:02.62 | 304 | |
| 5 | 6 | TEBUIE ANTONIA (2014)CLUBUL SPORTIV SCOLAR GLORIA ARAD | 00:36.57 | 00:03.62 | 280 | |
| 6 | 1 | Kovács Bori (2015)Algyő | 00:37.31 | 00:04.36 | 264 | |
| 7 | 2 | Tóth Szonja (2014)Hód Úszó SE | 00:37.41 | 00:04.46 | 262 | |
| 8 | 8 | GEORGIANA HENT (2016)CLUBUL SPORTIV SCOLAR GLORIA ARAD | 00:38.38 | 00:05.43 | 242 |