| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Varga Emma Laura (2018)Budapesti Honvéd SE | 03:22.51 | - | 170 | |
100m01:37.01 150m02:31.2400:54.23 +0.41
200m03:22.5100:51.27 -2.96
| ||||||
| 2 | 3 | Filetóth Dorka (2016)Darnyi Tamás SC | 03:30.50 | 00:07.99 | 151 | |
100m01:40.70 150m02:36.7900:56.09 +1.25
200m03:30.5000:53.71 -2.38
| ||||||
| 3 | 4 | Kalmár Fanni (2017)Érdi Vízisport Kft | 03:43.57 | 00:21.06 | 126 | |
100m01:49.26 150m02:48.7300:59.47 +1.23
200m03:43.5700:54.84 -4.63
| ||||||
| 4 | 5 | Papucsek Pálma (2017)Érdi Vízisport Kft | 04:05.20 | 00:42.69 | 95 | |
100m01:57.01 150m03:00.9801:03.97 +1.16
200m04:05.2001:04.22 +0.25
| ||||||
| - | 2 | Clark Millie (2016)Iron Swim SE | DNS | |||