| RK | LN | Name | Time | Gap | FINA | Q? | 
|---|---|---|---|---|---|---|
| 1 | 4 | AndorBenedek (2004)Győri Úszó Sportegy. | 00:55.21 | - | 718 | |
| 50m00:25.58 R:0.61 100m00:55.2100:29.63 +4.05
                                     | ||||||
| 2 | 5 | TapsonyiBálint (2005)Pápai Úszó SE | 00:55.65 | 00:00.44 | 701 | |
| 50m00:25.58 R:0.65 100m00:55.6500:30.07 +4.49
                                     | ||||||
| 3 | 6 | ÁngyánMáté (2005)Érdi Vízisport Kft | 00:56.07 | 00:00.86 | 685 | |
| 50m00:26.53 R:0.63 100m00:56.0700:29.54 +3.01
                                     | ||||||
| 4 | 2 | KotenkoMykola (2007)Ukraine | 00:56.86 | 00:01.65 | 657 | |
| 50m00:26.84 R:0.58 100m00:56.8600:30.02 +3.18
                                     | ||||||
| 5 | 3 | FazekasÁdám (2005)Miskolci Sportiskola | 00:56.87 | 00:01.66 | 657 | |
| 50m00:26.84 R:0.72 100m00:56.8700:30.03 +3.19
                                     | ||||||
| 6 | 7 | HavasiZénó (2004)Miskolci Sportiskola | 00:57.03 | 00:01.82 | 651 | |
| 50m00:26.32 R:0.66 100m00:57.0300:30.71 +4.39
                                     | ||||||
| 7 | 8 | OzsvártBence (2005)Parafa Úszó Klub | 00:57.11 | 00:01.90 | 649 | |
| 50m00:26.72 R:0.63 100m00:57.1100:30.39 +3.67
                                     | ||||||
| 8 | 1 | CséplőSimon (2006)Kőbánya Sport Club | 00:57.24 | 00:02.03 | 644 | |
| 50m00:26.33 R:0.66 100m00:57.2400:30.91 +4.58
                                     | ||||||