| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Mohay Janka (2010)BÁCSVÍZ SC | 00:43.48R:0.54 | - | 306 | |
| 2 | 4 | Gidófalvy Angéla (2010)Vasas Sport Club | 00:43.49R:0.74 | 00:00.01 | 305 | |
| 3 | 3 | Burányi Bora (2008)Iron Swim SE | 00:44.28R:0.72 | 00:00.80 | 289 | |
| 4 | 1 | Bóta Liliána (2011)Szhalombattai VUK SE | 00:44.31R:0.61 | 00:00.83 | 289 | |
| 5 | 6 | Sallai Laura (2010)Bohóchal Egyesület | 00:46.00R:0.91 | 00:02.52 | 258 | |
| 6 | 8 | Orenstein Nóra (2010)Vasas Sport Club | 00:46.37R:0.77 | 00:02.89 | 252 | |
| 7 | 2 | Kulcsár Anna Izabella (2011)II. Kerületi Sport | 00:47.80 | 00:04.32 | 230 | |
| 8 | 0 | Haraszti Lilla (2010)II. Kerületi Sport | 00:52.72R:0.72 | 00:09.24 | 171 | |
| 9 | 9 | Száraz Evelin * (2005)Para Válogatott | 00:53.11 | 00:09.63 | 167 | |
| 10 | 7 | Körmendy Viktória (2011)Csepeli Öttusa Vizis | 00:53.74R:0.73 | 00:10.26 | 162 |