| RK | Name | H/L | Time | Gap | Q |
|---|---|---|---|---|---|
| 1 | Milák Kristóf (2000)Budapesti Honvéd | 50.84 97.665% | - | A4 | |
| 2 | Kós Hubert (2003)Újpesti Torna Egylet | 52.41 98.273% | 01.57 | A5 | |
| 3 | Németh Nándor (1999)BVSC-Zugló | 52.65 99.619% | 01.81 | A3 | |
| 4 | Szabó Szebasztián (1996)Győri Úszó Sportegy. | 53.15 93.015% | 02.31 | A6 | |
| 5 | Márton Richárd (1999)Budapesti Honvéd | 53.28 98.301% | 02.44 | A2 | |
| 6 | Tekauer Márk (1998)Kőbánya Sport Club | 53.47 97.547% | 02.63 | A7 | |
| 7 | Lakner Dávid (2001)BVSC-Zugló | 53.80 99.402% | 02.96 | A1 | |
| 8 | Andor Benedek (2004)Győri Úszó Sportegy. | 54.06 102.083% | 03.22 | A8 | |
| 9 | Mizsei Márk (2003)Kőbánya Sport Club | 54.20 100.203% | 03.36 | B4 | |
| 10 | Pető Bence (2003)HÓD Úszó SE | 54.21 101.022% | 03.37 | B5 | |
| 11 | Magda Boldizsár (2005)BVSC-Zugló | 54.28 100.074% | 03.44 | B3 | |
| 12 | VALIZADA Ramil (2004)Azerbaijan | 54.71 99.412% | 03.87 | B6 | |
| 13 | Harsányi Mátyás (2005)Kaposvári SI | 54.74 101.987% | 03.90 | B2 | |
| 14 | Garajszki Máté (2003)BÁCSVÍZ SC | 55.06 99.526% | 04.22 | B7 | |
| 15 | Nell Olivér (2003)Stamina TKSA | 55.10 101.975% | 04.26 | B1 | |
| 16 | Tapsonyi Bálint (2005)Pápai Úszó SE | 55.22 100.072% | 04.38 | B8 | |
| 17 | Forgács Bence (2005)Vasas Sport Club | 55.27 101.480% | 04.43 | T1 | |
| 18 | Tohl Patrik Péter (2004)Érdi Vízisport Kft | 55.51 99.384% | 04.67 | T2 | |
| 19 | Bóna Benedek (2004)BVSC-Zugló | 55.86 103.222% | 05.02 | ||
| 20 | Ángyán Máté (2005)Érdi Vízisport Kft | 55.98 100.089% | 05.14 | ||
| 21 | Zombori-Szalontai Ferenc (2004)Debreceni Sportc. SI | 56.07 99.028% | 05.23 | ||
| 22 | Gál Dávid (2006)Vasas Sport Club | 56.08 103.076% | 05.24 | ||
| 23 | Dénes Barnabás Imre (2005)Újpesti Torna Egylet | 56.31 102.914% | 05.47 | ||
| 24 | Cséplő Simon (2006)Kőbánya Sport Club | 56.37 101.520% | 05.53 | ||
| 25 | Csicsáky Péter (2003)BVSC-Zugló | 56.38 100.353% | 05.54 | ||
| 26 | Pál Vince (2005)Újpesti Torna Egylet | 56.59 102.313% | 05.75 | ||
| 27 | Takács Fábió (2004)Komáromi Úszóklub SE | 56.84 102.738% | 06.00 | ||
| 28 | Kalmár Ákos (2000)Balaton ÚK Veszprém | 57.18 99.631% | 06.34 | ||
| 29 | Szedlák Gellért Vajk (2004)Vasas Sport Club | 57.25 101.868% | 06.41 | ||
| 30 | Bujdosó Zsombor (2004)Vasas Sport Club | 57.29 101.190% | 06.45 | ||
| 31 | Prymachyk Valerii (2005)Ukraine | 57.57 101.590% | 06.73 | ||
| 32 | Besenyei Zsombor (2004)Pécsi Sport Nonprof. | 57.62 105.277% | 06.78 | ||
| 33 | Perkkiö Emil Aleksander (2000)NICS-HSÚVC | 57.75 103.493% | 06.91 | ||
| 34 | Makai Mátyás (2002)Iron Swim SE | 57.79 101.984% | 06.95 | ||
| 35 | Juhász-Dóra Richárd (2005)Kőbánya Sport Club | 57.82 104.964% | 06.98 | ||
| 36 | Czoma Zsombor (2001)Stamina TKSA | 58.15 103.550% | 07.31 | ||
| 37 | M.Kiss Jakab (2005)Vasas Sport Club | 58.69 102.976% | 07.85 | ||
| 38 | Szentpéteri Márk (2004)BVSC-Zugló | 59.02 101.222% | 08.18 | ||
| 39 | Sárosi Balázs (2004)Debreceni Sportc. SI | 59.05 99.489% | 08.21 | ||
| 40 | Torma Benjamin (2004)Budaörsi Sport Club | 59.25 101.201% | 08.41 | ||
| 41 | Benigni Márk (2006)Vasas Sport Club | 59.58 102.039% | 08.74 | ||
| 42 | Csorvási Dominik (2005)Vasas Sport Club | 01:00.02 99.699% | 09.18 | ||
| 43 | Holovan Arsenii (2008)Ukraine | 01:00.47 108.100% | 09.63 | ||
| 44 | Biletskyi Illia (2005)Ukraine | 01:01.11 97.277% | 10.27 | ||
| 45 | Remport Csanád (2007)Móri Úszó Egyesület | 01:01.39 100.211% | 10.55 | ||
| - | Bene Zsombor (2004)Vasas Sport Club | DNS - | |||
| - | Jászó Ádám (2002)Pécsi Sport Nonprof. | DNS - | |||
| - | Kochu Anton (2005)Győri Úszó Sportegy. | DNS - | |||
| - | Koós Márton Balázs (2005)Vasas Sport Club | DNS - | |||
| - | Ónodi Gyula (2000)NYSC | DNS - | |||
| - | Tompos Zoltán (2003)Kőbánya Sport Club | DNS - | |||
| - | Tóth Benedek Viktor (2006)Kőbánya Sport Club | DNS - | |||