| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 2 | Tóth Sarolta (2010)Bohóchal Egyesület | 45.24R:0.7 | - | 212 | |
| 2 | 8 | Mayer Réka Hanna (2013)Kőbánya Sport Club | 45.99R:0.87 | 00.75 | 201 | |
| 3 | 5 | Kazinczi Adrienn (2012)Kőbánya Sport Club | 46.01R:0.98 | 00.77 | 201 | |
| 4 | 6 | Szabó Linett Anna (2011)BVSC-Zugló | 46.54R:0.82 | 01.30 | 194 | |
| 5 | 3 | Pongrácz Mirtill (2010)Bohóchal Egyesület | 48.78R:0.74 | 03.54 | 169 | |
| 6 | 7 | Szeles Lilla Katalin (2013)Kőbánya Sport Club | 48.91R:0.82 | 03.67 | 167 | |
| 7 | 1 | Hall Lauren May (2013)FTC | 49.10R:0.84 | 03.86 | 165 | |
| - | 4 | Guj Barbara Dóra (2012)Érdi Úszó Sport Kft. | DNS |