| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Süvegh Kende Barnabás (2012)Hullám 91 | 40.52R:0.65 | - | 137 | |
| 2 | 9 | Németh Boldizsár (2012)Hullám 91 | 42.19 | 01.67 | 121 | |
| 3 | 7 | Makai Ármin Zsombor (2014)FTC | 42.22R:0.49 | 01.70 | 121 | |
| 4 | 3 | Csajági Dániel (2014)Iron Swim SE | 42.48R:0.58 | 01.96 | 119 | |
| 5 | 2 | Laczkó Olivér (2014)Kőbánya Sport Club | 42.74 | 02.22 | 117 | |
| 6 | 5 | Varga Bernát (2012)Budafóka XXII. SE | 42.78 | 02.26 | 116 | |
| 7 | 8 | Deák Kristóf (2014)FTC | 42.98R:0.66 | 02.46 | 115 | |
| 8 | 0 | Létang-Prónay Martin (2015)Kőbánya Sport Club | 43.68R:0.27 | 03.16 | 109 | |
| 9 | 1 | Szilágyi Dániel (2013)Budapesti Honvéd | 44.17R:0.64 | 03.65 | 106 | |
| - | 6 | Stump Ottó (2012)Csepeli Öttusa Vizis | DNS |