| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 1 | Savgira Mikhail (2016)Darnyi Tamás SC | 51.07R:0.86 | - | 98 | |
| 2 | 4 | Conti Noah (2016)MATE - GEAC | 52.19R:0.75 | 01.12 | 91 | |
| 3 | 6 | Soós Albert László (2015)II. Kerületi Sport | 54.46R:0.98 | 03.39 | 80 | |
| 4 | 7 | Gálos Balázs László (2017)Darnyi Tamás SC | 55.85R:0.6 | 04.78 | 74 | |
| 5 | 2 | Kiss Ármin (2016)II. Kerületi Sport | 01:00.57R:0.98 | 09.50 | 58 | |
| 6 | 5 | Nagy Barnabás (2017)II. Kerületi Sport | 01:02.05R:0.66 | 10.98 | 54 | |
| 7 | 3 | Antal Marcell (2016)II. Kerületi Sport | 01:02.19R:-0.15 | 11.12 | 54 |