| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Sztankovics Anna (1996)NYSC | 30.46R:0.67 | - | 824 | |
| 2 | 3 | Olajos Dorottya (2001)Vasas Sport Club | 31.32R:0.68 | 00.86 | 758 | |
| 3 | 5 | Halmai Petra (1997)Kaposvári SI | 31.37R:0.68 | 00.91 | 754 | |
| 4 | 6 | Barna Bianka Dorottya (2006)NYSC | 32.36R:0.71 | 01.90 | 687 | |
| 5 | 1 | Joó Kata (2004)Bálinti Úszó Egyes. | 33.08R:0.71 | 02.62 | 643 | |
| 6 | 2 | Megyesi Vanda (2009)Győri Úszó Sportegy. | 33.38R:0.69 | 02.92 | 626 | |
| 7 | 8 | Nemes Kamilla Viola (2006)Kőbánya Sport Club | 34.14R:0.68 | 03.68 | 585 | |
| - | 7 | Okos Glória (1999)Budapesti Honvéd | DSQR:0 |