| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Körmendy Viktória (2011)Csepeli Öttusa Vizis | 00:43.52R:0.74 | - | 300 | |
| 2 | 4 | Iszák Jázmin (2010)Merkapt-Mekler Lász | 00:44.02R:0.82 | 00:00.50 | 290 | |
| 3 | 6 | Juhász Luca (2011)Szhalombattai VUK SE | 00:46.10R:0.56 | 00:02.58 | 253 | |
| 4 | 2 | Sipos Nóra (2007)Csepeli Öttusa Vizis | 00:50.84 | 00:07.32 | 188 | |
| - | 5 | Végh Lilla (2011)Kőbánya Sport Club | DSQ |