| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Nell Olivér (2003)Stamina TKSA | 23.85 | - | 758 | |
| 2 | 3 | Székely Áron (2004)BVSC-Zugló | 24.59 | 00.74 | 691 | |
| 3 | 6 | Hoàng Quý Phước (1993)Vietnam | 25.03 | 01.18 | 656 | |
| 4 | 5 | Magda Boldizsár (2005)Parafa Úszó Klub | 25.10 | 01.25 | 650 | |
| 5 | 2 | Varga Máté (2004)Lőrinc Swim Team | 25.15 | 01.30 | 646 | |
| 6 | 8 | Bóna Benedek (2004)BVSC-Zugló | 25.83 | 01.98 | 597 | |
| 7 | 7 | Babik Barna (1999)Vasas Sport Club | 28.13 | 04.28 | 462 | |
| - | 1 | Kovács Benedek Bendegúz (1998)BVSC-Zugló | DNS |