| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Mázló Noémi Lina (2013)Létavértes | 36.70 | - | 266 | |
| 2 | 3 | Istenes Dorka (2011)Debreceni Aquasport | 37.21R:0.73 | 00.51 | 255 | |
| 3 | 6 | Dohán Lilla Borbála (2009)NYSC | 37.63R:0.71 | 00.93 | 246 | |
| 4 | 5 | Barna Liliána (2012)Miskolci Sportiskola | 38.13R:0.68 | 01.43 | 237 | |
| 5 | 7 | Szabó Zoé Zamira (2016)Debreceni Sportc. SI | 39.74 | 03.04 | 209 | |
| 6 | 2 | Stanciu Ana (2014)Crisul Oradea | 40.14 | 03.44 | 203 | |
| 7 | 1 | Koteles Emma (2012)Crisul Oradea | 40.97 | 04.27 | 191 | |
| 8 | 8 | Csurka Luca (2014)NYSC | 42.04 | 05.34 | 177 | |
| 9 | 0 | Dirle Teodora (2013)CS SEINI | 42.18 | 05.48 | 175 | |
| 10 | 9 | Gaál Alíz (2014)Miskolci Sportiskola | 43.19R:0.69 | 06.49 | 163 |