| RK | Name | H/L | Time | Gap | Q |
|---|---|---|---|---|---|
| 1 | Lifintsev Miron (2006)Russian Federation | 00:24.50 99.672% | - | A4 | |
| 2 | Tarasov Ivan (2006)Russian Federation | 00:26.24 95.333% | 00:01.74 | A5 | |
| 3 | Papp Sebestyén (2008)Újpesti Torna Egylet | 00:26.63 98.552% | 00:02.13 | A3 | |
| 4 | Rácz Zsombor Péter (2007)BVSC-Zugló | 00:26.78 100.075% | 00:02.28 | A6 | |
| 5 | Tóth Benedek Viktor (2006)Kőbánya Sport Club | 00:26.79 103.633% | 00:02.29 | A2 | |
| 6 | Kovács Botond (2007)BVSC-Zugló | 00:26.93 99.590% | 00:02.43 | A7 | |
| 7 | Koncz Márton (2008)Budaörsi Sport Club | 00:27.64 100.217% | 00:03.14 | A1 | |
| 8 | Szappanos Kristóf (2007)Budaörsi Sport Club | 00:27.66 99.455% | 00:03.16 | A8 | |
| 9 | Zanyi Ferdinánd Tamás (2007)Lőrinc Swim Team | 00:27.83 99.964% | 00:03.33 | B4 | |
| 10 | Takács Milán Ruben (2008)UNI Győri Úszó Sportegy. | 00:27.84 98.320% | 00:03.34 | B5 | |
| 11 | Szász Máté Pál (2007)Gyulai Várfürdő Kft. | 00:28.37 99.894% | 00:03.87 | B3 | |
| 12 | Vince Marcell (2007)Kaposvári Adorján | 00:28.53 98.937% | 00:04.03 | B6 | |
| 13 | Kenyeres Gergő (2008)Debreceni Sportc. SI | 00:28.71 97.134% | 00:04.21 | B7 | |
| 13 | Kulcsár Barnabás (2007)UNI Győri Úszó Sportegy. | 00:28.71 97.170% | 00:04.21 | B2 | |
| 15 | Benigni Márk (2006)Újpesti Torna Egylet | 00:28.86 98.914% | 00:04.36 | B1 | |
| 16 | Mozsárik Levente (2006)BÁCSVÍZ KVSC | 00:29.00 100.241% | 00:04.50 | B8 | |
| 17 | Tarkovács Alex (2006)Iron Swim SE | 00:29.22 99.311% | 00:04.72 | T1 | |
| 18 | Pittlik Zsigmond (2008)Darnyi Tamás SC | 00:29.44 100.034% | 00:04.94 | VL | |
| 18 | Szabácsik Máté (2007)Budapesti Honvéd SE | 00:29.44 99.178% | 00:04.94 | T2 | |
| 20 | Bozsodi Máté (2010)Szombathelyi SK SI | 00:29.47 98.449% | 00:04.97 | ||
| 21 | Salamon Csanád (2007)Mohácsi Torna Egylet | 00:29.70 99.628% | 00:05.20 | ||
| 22 | Nacsa Domán (2007)Triton Sport Egyes. | 00:29.91 100.067% | 00:05.41 | ||
| 23 | Molnár-Végh Bálint (2009)Szombathelyi SK SI | 00:29.97 98.579% | 00:05.47 | ||
| 24 | Péntek Márk László (2008)Sárvári Gyógyfürdő | 00:30.07 100.066% | 00:05.57 | ||
| 25 | Lászlófi Vince (2007)MATE - Gödöllői Egyetemi Atlétikai Club | 00:30.09 100.726% | 00:05.59 | ||
| 26 | Vörös Zsombor (2007)UNI Győri Úszó Sportegy. | 00:30.25 104.363% | 00:05.75 | ||
| 27 | Májlinger Bence (2007)Pécsi Sport Nonprofit ZRT | 00:30.30 100.198% | 00:05.80 | ||
| 28 | Bereczi Áron (2007)KKH ÚGYE | 00:30.67 97.322% | 00:06.17 | ||
| 29 | Kovács Hunor (2007)Debreceni Aquasport | 00:30.98 99.416% | 00:06.48 | ||