| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 2 | Hegedűs Rozália Anna (2015)BVSC-Zugló | 44.66R:0.75 | - | 217 | |
| 2 | 4 | Demeter Bella Luca (2014)Miskolci Sportiskola | 44.96R:0.82 | 00.30 | 213 | |
| 3 | 6 | Vásárhelyi Dóra (2014)NYSC | 45.16R:0.72 | 00.50 | 210 | |
| 4 | 3 | Csáki Adél (2014)Egri Úszó Klub SE | 46.99R:0.75 | 02.33 | 186 | |
| 5 | 8 | Sajgó Aletta (2015)BVSC-Zugló | 47.96R:0.88 | 03.30 | 175 | |
| 6 | 1 | Koncz Nóra (2015)MATE - GEAC | 48.40R:0.77 | 03.74 | 170 | |
| 7 | 7 | Nguyen Huynh Tue Tam (2015)BVSC-Zugló | 48.96R:0.93 | 04.30 | 165 | |
| 8 | 5 | Kőrössy Gréti (2014)Budaörsi Sport Club | 50.73R:0.76 | 06.07 | 148 |