| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Magda Boldizsár (2005)BVSC-Zugló | 00:53.65 | - | 706 | |
50m00:25.36 R:0.66 100m00:53.6500:28.29 +2.93
| ||||||
| 2 | 5 | Pető Bence (2003)HÓD Úszó SE | 00:53.93 | 00:00.28 | 695 | |
50m00:25.02 R:0.65 100m00:53.9300:28.91 +3.89
| ||||||
| 3 | 2 | Harsányi Mátyás (2005)Kaposvári SI | 00:54.25 | 00:00.60 | 683 | |
50m00:25.43 R:0.7 100m00:54.2500:28.82 +3.39
| ||||||
| 4 | 7 | Garajszki Máté (2003)BÁCSVÍZ SC | 00:54.28 | 00:00.63 | 682 | |
50m00:25.30 R:0.64 100m00:54.2800:28.98 +3.68
| ||||||
| 5 | 1 | Nell Olivér (2003)Stamina TKSA | 00:54.97 | 00:01.32 | 656 | |
50m00:25.82 R:0.71 100m00:54.9700:29.15 +3.33
| ||||||
| 6 | 8 | Tapsonyi Bálint (2005)Pápai Úszó SE | 00:55.37 | 00:01.72 | 642 | |
50m00:25.59 R:0.69 100m00:55.3700:29.78 +4.19
| ||||||
| - | 4 | Mizsei Márk (2003)Kőbánya Sport Club | DSQ | |||
| - | 6 | VALIZADA Ramil (2004)Azerbaijan | DSQ | |||