| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 8 | Lengyeltóti Bence (2001)Kaposvári Adorján | 30.66R:0.76 | - | 453 | |
| 2 | 4 | Kurcz Kornél (2015)DSI | 46.89R:0.62 | 16.23 | 126 | |
| 3 | 5 | Király Gergely (2015)DSI | 46.92R:0.58 | 16.26 | 126 | |
| 4 | 3 | Bognár Maxx Axel (2016)Mohácsi Torna Egylet | 50.94R:0.74 | 20.28 | 98 | |
| 5 | 6 | Elmauer Ábel Márk (2015)DSI | 51.11R:0.64 | 20.45 | 97 | |
| 6 | 1 | Horváth Ádám (2016)NUTE | 51.83R:0.77 | 21.17 | 93 | |
| 7 | 2 | Császár Armand (2014)Siklósi SE | 52.08R:0.86 | 21.42 | 92 | |
| 8 | 7 | Szücs Zétény (2014)Szigetvár DELFIN Úsz | 57.17R:0.59 | 26.51 | 69 |