| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Horváth Zsombor Vilmos (2017)Budapesti Honvéd SE | 00:43.94 | - | 107 | |
| 2 | 7 | Horváth Kristóf (2017)Darnyi Tamás SC | 00:45.46 | 00:01.52 | 97 | |
| 3 | 1 | Őry Kristóf (2018)Bohóchal | 00:48.20 | 00:04.26 | 81 | |
| 4 | 2 | Carrillat Benjamin József (2017)Jövő Magyar Sportolói Sportegyesület | 00:52.03 | 00:08.09 | 64 | |
| 5 | 6 | Kiss Balázs (2017)BVSC-Zugló | 00:52.19 | 00:08.25 | 64 | |
| 6 | 8 | Illésy Bernát (2018)MATE - GEAC | 00:54.14 | 00:10.20 | 57 | |
| 7 | 5 | Izsó Levin (2017)Darnyi Tamás SC | 00:56.49 | 00:12.55 | 50 | |
| 8 | 3 | Hidas Dániel (2018)BVSC-Zugló | 01:00.58 | 00:16.64 | 41 |