| RK | Name | H/L | Time | Gap | Q |
|---|---|---|---|---|---|
| 1 | Zhidkov Roman (2007)Russian Federation | 50.02 98.313% | - | A4 | |
| 2 | Kolesnikov Nikolai (2006)Russian Federation | 50.27 98.812% | 00.25 | A5 | |
| 3 | Zakharikov Ilia (2006)Russian Federation | 50.57 98.779% | 00.55 | VL | |
| 4 | Kakuk Koppány Zéta (2008)Kaposvári Sportközpont és Sportiskola | 51.02 99.090% | 01.00 | A3 | |
| 5 | Mozsárik Levente (2006)BÁCSVÍZ KVSC | 51.16 98.633% | 01.14 | A6 | |
| 6 | Cherepkov Andrei (2007)Russian Federation | 51.27 98.736% | 01.25 | VL | |
| 7 | Pápai Olivér (2009)UNI Győri Úszó Sportegy. | 51.74 100.385% | 01.72 | A2 | |
| 8 | Hosszú Máté (2006)UNI Győri Úszó Sportegy. | 52.03 98.419% | 02.01 | A7 | |
| 9 | Deák Gergely (2007)A Jövő SC | 52.34 100.965% | 02.32 | A1 | |
| 10 | Kaiser Dominik (2007)Újpesti Torna Egylet | 52.54 100.341% | 02.52 | A8 | |
| 11 | Takács Dominik Robertó (2007)UNI Győri Úszó Sportegy. | 52.59 100.284% | 02.57 | B4 | |
| 12 | Duca Stefan-Mircea (2006)BVSC-Zugló | 52.60 99.867% | 02.58 | B5 | |
| 13 | Musa Márk (2007)Hód Úszó SE | 52.72 99.905% | 02.70 | B3 | |
| 14 | Grandpierre Krisztián (2007)Ferencvárosi Torna Club | 53.16 101.537% | 03.14 | B6 | |
| 15 | Doszpoly Zsombor (2008)Miskolci Sportiskola | 53.60 97.729% | 03.58 | B2 | |
| 16 | Bagi Zoltán (2007)BVSC-Zugló | 53.68 95.095% | 03.66 | VL | |
| 17 | Takács Botond (2008)Ferencvárosi Torna Club | 53.71 98.045% | 03.69 | B7 | |
| 18 | Kulcsár Barnabás (2007)UNI Győri Úszó Sportegy. | 53.83 98.011% | 03.81 | B1 | |
| 19 | Benigni Márk (2006)Újpesti Torna Egylet | 54.02 98.229% | 04.00 | B8 | |
| 20 | Szappanos Kristóf (2007)Budaörsi Sport Club | 54.07 100.350% | 04.05 | T1 | |
| 21 | Vince Marcell (2007)Kaposvári Adorján | 54.56 99.187% | 04.54 | T2 | |
| 22 | Fazekas Gábor (2006)Budaörsi Sport Club | 54.63 98.608% | 04.61 | ||
| 23 | Palkovics Olivér (2007)Lőrinc Swim Team | 54.82 100.724% | 04.80 | ||
| 24 | Spisák Bence (2008)Budaörsi Sport Club | 54.84 103.332% | 04.82 | ||
| 25 | Kárpáti Máté (2008)Újpesti Torna Egylet | 54.85 100.616% | 04.83 | ||
| 26 | Kenyeres Gergő (2008)Debreceni Sportc. SI | 55.11 101.254% | 05.09 | ||
| 27 | Mizsey Péter Pál (2007)Budafóka XXII. SE | 55.23 99.050% | 05.21 | ||
| 28 | Tarkovács Alex (2006)Iron Swim SE | 55.55 99.311% | 05.53 | ||
| 29 | Kovács-Seres Hunor (2006)DKSE Dunaújváros | 55.91 97.488% | 05.89 | ||
| 30 | Májlinger Bence (2007)Pécsi Sport Nonprofit ZRT | 56.05 97.569% | 06.03 | ||
| 31 | Mikita Zalán (2007)Debreceni Sportc. SI | 56.20 98.428% | 06.18 | ||
| 32 | Csekő Dominik (2008)UNI Győri Úszó Sportegy. | 56.31 98.650% | 06.29 | ||
| 33 | Nacsa Domán (2007)Triton Sport Egyes. | 56.34 100.967% | 06.32 | ||
| 34 | Takács Nimród (2007)A Jövő SC | 56.43 100.230% | 06.41 | ||
| 35 | Andor Zsombor (2007)UNI Győri Úszó Sportegy. | 56.48 101.688% | 06.46 | ||
| 36 | Bartalos Gábor (2007)Tatabányai Vizmü SE | 56.73 98.315% | 06.71 | ||
| 37 | Molnár-Végh Bálint (2009)Szombathelyi SK SI | 56.86 98.699% | 06.84 | ||
| 38 | Bereczi Áron (2007)KKH ÚGYE | 56.95 100.053% | 06.93 | ||
| 38 | Csernyik Dániel (2006)Nyiregyházi Sportc.Nonprofit.Kft. | 56.95 99.541% | 06.93 | ||
| 40 | Pozsonyi Koppány (2009)Szombathelyi SK SI | 57.06 98.650% | 07.04 | ||
| 41 | Huszti Márton (2009)Darnyi Tamás SC | 57.25 101.919% | 07.23 | ||
| 42 | Huszár László (2007)Ferencvárosi Torna Club | 57.55 99.704% | 07.53 | ||
| 43 | Steinicz Zalán (2009)Budafóka XXII. SE | 57.61 101.200% | 07.59 | ||
| 43 | Svélecz Benjámin (2006)Szombathelyi SK SI | 57.61 99.617% | 07.59 | ||
| 45 | Füri Zalán (2007)Iron Swim SE | 57.72 102.943% | 07.70 | ||
| 46 | Szabó Gergő (2008)Sárvári Gyógyfürdő | 57.91 100.975% | 07.89 | ||
| 47 | Gacsal Gergely (2007)Mohácsi Torna Egylet | 57.93 95.772% | 07.91 | ||
| 48 | Koltai László József (2007)Sárvári Gyógyfürdő | 58.37 98.891% | 08.35 | ||
| 49 | Mikolay Máté Dominik (2007)Lőrinc Swim Team | 58.38 103.376% | 08.36 | ||
| 50 | Werner Máté (2007)Mohácsi Torna Egylet | 59.24 97.224% | 09.22 | ||
| 51 | Kovács Hunor (2007)Debreceni Aquasport | 59.43 99.645% | 09.41 | ||
| 52 | Varga Dominik-Zoltán (2010)Debreceni Aquasport | 59.47 99.374% | 09.45 | ||
| 53 | Szilágyi Barna (2008)Debreceni Sportc. SI | 59.61 98.795% | 09.59 | ||
| 54 | Mohl Zsombor (2007)Csepeli Öttusa Vizis | 01:00.58 100.395% | 10.56 | ||
| 55 | Magyar Sean Sandor (2009)Freedom Aquatics | 01:02.60 95.632% | 12.58 | ||
| - | Kaló Kristóf (2007)Egri Úszó Klub SE | DNS - | |||