| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Ádász Nándor Dés (2014)Békéscsabai EUK | 40.04R:0.61 | - | 172 | |
| 2 | 8 | Ungureanu Flavius (2015)Aquasport Temesvár | 42.53R:0.52 | 02.49 | 143 | |
| 3 | 5 | Zsidai Dániel (2016)FTC | 43.70 | 03.66 | 132 | |
| 4 | 3 | Domokos Noel Áron (2014)Békéscsabai EUK | 44.92R:0.58 | 04.88 | 121 | |
| 5 | 9 | Binecz Döme (2016)Szegedi Úszó Egylet | 45.19 | 05.15 | 119 | |
| 6 | 6 | Rákos Zoltán (2013)Hód Úszó SE | 47.22 | 07.18 | 104 | |
| 7 | 7 | Drinovan Tudor (2013)Murry San Arad | 48.92 | 08.88 | 94 | |
| 8 | 1 | Nagy Bence Mátyás (2013)Békéscsabai EUK | 51.03 | 10.99 | 83 | |
| 9 | 2 | Lesu Marc (2014)Murry San Arad | 51.67 | 11.63 | 80 | |
| 10 | 0 | Varga Zsolt Márk (2016)NICS-HSÚVC | 01:00.16 | 20.12 | 50 |