| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Nyéki Barnabás (2013)Békési Úszó Klub E. | 42.89 | - | 165 | |
| 2 | 2 | Petrovici Milan (2014)CSM Arad | 43.44 | 00.55 | 159 | |
| 3 | 4 | Bartok David (2015)Gloria Arad | 43.85 | 00.96 | 154 | |
| 4 | 8 | Blaj Lucas (2014)Gloria Arad | 45.35 | 02.46 | 140 | |
| 5 | 3 | Tárca Máté Zoltán (2013)Békéscsabai EUK | 45.84 | 02.95 | 135 | |
| 6 | 5 | Domokos Noel Áron (2014)Békéscsabai EUK | 45.99 | 03.10 | 134 | |
| 7 | 7 | Dehelean David (2013)CSM Arad | 46.38 | 03.49 | 130 | |
| 8 | 1 | Borbély Zalán (2015)Crisul Nagyvárad | 47.74 | 04.85 | 120 |