| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 8 | Gere-Farkas Botond (2015)BVSC-Zugló | 00:44.09 | - | 128 | |
| 2 | 3 | Vesztergom Dániel (2014)Darnyi Tamás SC | 00:46.32 | 00:02.23 | 111 | |
| 3 | 6 | Juhász Döme Endre (2014)BVSC-Zugló | 00:46.72 | 00:02.63 | 108 | |
| 4 | 5 | Huszár Bálint (2015)MATE - GEAC | 00:47.09 | 00:03.00 | 105 | |
| 5 | 4 | Gyuricza Zsombor (2014)Budapesti Honvéd SE | 00:47.21 | 00:03.12 | 104 | |
| 6 | 7 | Boros Teodor (2015)BVSC-Zugló | 00:47.48 | 00:03.39 | 103 | |
| 7 | 1 | Váradi Dániel (2017)Darnyi Tamás SC | 00:49.01 | 00:04.92 | 93 | |
| 8 | 2 | Ferenczi Sándor (2015)BVSC-Zugló | 00:50.15 | 00:06.06 | 87 |