| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Pintér Panni (2017)BVSC-Zugló | 00:36.91R:0.72 | - | 261 | |
| 2 | 3 | Török Dorottya (2016)BVSC-Zugló | 00:38.01 | 00:01.10 | 239 | |
| 3 | 5 | Szalay Júlia (2017)BVSC-Zugló | 00:38.18R:0.86 | 00:01.27 | 236 | |
| 4 | 8 | Ábrahám Natália (2017)BVSC-Zugló | 00:41.75R:0.81 | 00:04.84 | 180 | |
| 5 | 2 | Tari Szonja (2017)BVSC-Zugló | 00:41.84 | 00:04.93 | 179 | |
| 6 | 6 | Tőzsér Nóra (2017)Sárvári Gyógyfürdő | 00:42.10R:0.77 | 00:05.19 | 176 | |
| 7 | 7 | Szabó Emma (2016)BVSC-Zugló | 00:43.13R:0.91 | 00:06.22 | 164 | |
| 8 | 1 | Luong Thao Nhi (2017)BVSC-Zugló | 00:44.46 | 00:07.55 | 149 | |
| 9 | 9 | Pálffy Liza (2017)BVSC-Zugló | 00:46.15 | 00:09.24 | 133 | |
| 10 | 0 | Molnár Réka (2016) UNI Győri Úszó Sportegy. | 00:46.66 | 00:09.75 | 129 |