| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Szarvas Flóra (2014)BVSC-Zugló | 00:40.40R:0.69 | - | 293 | |
| 2 | 4 | Pece Mirabella (2014)BVSC-Zugló | 00:40.48R:0.85 | 00:00.08 | 292 | |
| 3 | 3 | Máth Júlia (2015)MATE - GEAC | 00:42.62R:0.82 | 00:02.22 | 250 | |
| 4 | 6 | Karczag Kira Jázmin (2014)Miskolci Sportiskola | 00:42.69R:0.66 | 00:02.29 | 249 | |
| 5 | 7 | Takács Barka Lilla (2015)Budaörsi Sport Club | 00:45.25R:0.73 | 00:04.85 | 209 | |
| 6 | 2 | Szilágyi Liliána (2014)BVSC-Zugló | 00:45.38R:0.75 | 00:04.98 | 207 | |
| 7 | 8 | Skotner Ágota (2014)Budaörsi Sport Club | 00:46.95 | 00:06.55 | 187 | |
| 8 | 1 | Takács Lilla Dóra (2014)Budaörsi Sport Club | 00:49.50R:0.97 | 00:09.10 | 159 |