| RK | Name | H/L | Time | Gap | Q |
|---|---|---|---|---|---|
| 1 | Milák Kristóf (2000)Budapesti Honvéd | 47.97 97.784% | - | A4 | |
| 2 | Szabó Szebasztián (1996)Győri Úszó Sportegy. | 48.56 96.988% | 00.59 | A5 | |
| 3 | Bóna Benedek (2004)BVSC-Zugló | 48.73 102.129% | 00.76 | A3 | |
| 4 | Kovács Benedek Bendegúz (1998)BVSC-Zugló | 49.50 102.270% | 01.53 | A6 | |
| 5 | Andor Benedek (2004)Győri Úszó Sportegy. | 49.55 101.491% | 01.58 | A2 | |
| 6 | Harsányi Mátyás (2005)Kaposvári SI | 49.56 103.033% | 01.59 | A1 | |
| 6 | Márton Richárd (1999)Budapesti Honvéd | 49.56 101.196% | 01.59 | A7 | |
| 8 | Magda Boldizsár (2005)BVSC-Zugló | 49.69 99.372% | 01.72 | A8 | |
| 8 | Nell Olivér (2003)Stamina TKSA | 49.69 100.401% | 01.72 | VL | |
| 10 | Holoda Péter (1996)Debreceni Sportc. SI | 49.72 96.114% | 01.75 | VL | |
| 11 | Garajszki Máté (2003)BÁCSVÍZ SC | 49.79 98.904% | 01.82 | VL | |
| 12 | Marosi Bálint (2005)Szhalombattai VUK SE | 50.03 100.891% | 02.06 | B4 | |
| 13 | Krstulovic Vladimir (2005)Győri Úszó Sportegy. | 50.71 103.317% | 02.74 | B5 | |
| 14 | Kakuk Koppány Zéta (2008)Kaposvári SI | 50.76 101.913% | 02.79 | B3 | |
| 15 | Lakner Dávid (2001)BVSC-Zugló | 50.79 98.379% | 02.82 | B6 | |
| 16 | Pózvai Olivér (2005)Győri Úszó Sportegy. | 50.91 101.547% | 02.94 | B2 | |
| 17 | Tapsonyi Bálint (2005)Pápai Úszó SE | 50.93 102.861% | 02.96 | B7 | |
| 18 | Giczi Mátyás Zsolt (2003)Győri Úszó Sportegy. | 50.96 97.092% | 02.99 | B1 | |
| 19 | Forgács Bence (2005)Vasas Sport Club | 51.11 100.429% | 03.14 | VL | |
| 20 | Tompos Zoltán (2003)Kőbánya Sport Club | 51.14 100.156% | 03.17 | B8 | |
| 21 | Hosszú Máté (2006)Győri Úszó Sportegy. | 51.39 100.792% | 03.42 | T1 | |
| 22 | Székely Áron (2004)BVSC-Zugló | 51.48 101.209% | 03.51 | T2 | |
| 23 | Hímer Krisztofer (2000)FTC | 51.66 98.587% | 03.69 | ||
| 24 | Mozsárik Levente (2006)BÁCSVÍZ SC | 51.67 100.711% | 03.70 | ||
| 25 | Biletskyi Illia (2005)Ukraine | 51.81 100.937% | 03.84 | ||
| 25 | Hartmann Máté (2005)Pécsi Sport Nonprof. | 51.81 97.851% | 03.84 | ||
| 27 | Besenyei Zsombor (2004)Pécsi Sport Nonprof. | 51.82 101.445% | 03.85 | ||
| 28 | Tohl Patrik Péter (2004)Érdi Vízisport Kft | 51.96 99.884% | 03.99 | ||
| 29 | Pál Vince (2005)Újpesti Torna Egylet | 52.00 101.831% | 04.03 | ||
| 30 | Pintér Ádám (2004)Balaton ÚK Veszprém | 52.02 101.065% | 04.05 | ||
| 31 | Czoma Zsombor (2001)Stamina TKSA | 52.12 102.397% | 04.15 | ||
| 32 | Szedlák Gellért Vajk (2004)Vasas Sport Club | 52.52 97.602% | 04.55 | ||
| 33 | Perkkiö Emil Aleksander (2000)NICS-HSÚVC | 52.64 102.986% | 04.67 | ||
| 34 | Nagy Roland (2003)BVSC-Zugló | 52.71 103.444% | 04.74 | ||
| 35 | Szűcs Ádám Zoltán (2004)FTC | 52.87 103.239% | 04.90 | ||
| 36 | Poteczin Dániel (2006)Érdi Vízisport Kft | 52.88 99.867% | 04.91 | ||
| 37 | Torma Benjamin (2004)Budaörsi Sport Club | 53.16 102.886% | 05.19 | ||
| 38 | Benigni Márk (2006)Vasas Sport Club | 53.23 100.579% | 05.26 | ||
| 39 | Gál Dávid (2006)Vasas Sport Club | 53.43 101.620% | 05.46 | ||
| 40 | Mizsei Márk (2003)Kőbánya Sport Club | 53.54 102.103% | 05.57 | ||
| 41 | Kulcsár Barnabás (2007)Sárvári Gyógyfürdő | 53.55 100.815% | 05.58 | ||
| 42 | Herczeg Erik (2006)BVSC-Zugló | 54.09 99.461% | 06.12 | ||
| 43 | Matyó Márton (2004)Bálinti Úszó Egyes. | 54.13 101.223% | 06.16 | ||
| 44 | Makai Mátyás (2002)Iron Swim SE | 54.15 100.111% | 06.18 | ||
| 45 | Papp Kristóf (2006)Szombathelyi SK SI | 54.22 101.022% | 06.25 | ||
| 46 | Vishniovyi Daniil (2005)Ukraine | 55.28 100.396% | 07.31 | ||
| 47 | Holovan Arsenii (2008)Ukraine | 55.54 96.766% | 07.57 | ||
| - | Bohus Richárd (1993)BVSC-Zugló | DNS - | |||
| - | Bujdosó Zsombor (2004)Vasas Sport Club | DNS - | |||
| - | Jászó Ádám (2002)Pécsi Sport Nonprof. | DNS - | |||
| - | Kaiser Dominik (2007)Újpesti Torna Egylet | DNS - | |||
| - | Ónodi Gyula (2000)NYSC | DNS - | |||