| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Boros Timót (2015)BVSC-Zugló | 55.48 | - | 102 | |
| 2 | 1 | Tóth Bence Tamás (2015)Kecskeméti Junior Sport Nonprofit KFT. | 56.06 | 00.58 | 99 | |
| 3 | 3 | Boros Teodor (2015)BVSC-Zugló | 56.83 | 01.35 | 95 | |
| 4 | 5 | Gere-Farkas Botond (2015)BVSC-Zugló | 57.37 | 01.89 | 92 | |
| 5 | 7 | Büki Norbert János (2016)FTC | 57.83 | 02.35 | 90 | |
| 6 | 4 | Kónya Kristóf Noé (2015)BVSC-Zugló | 58.93 | 03.45 | 85 | |
| 7 | 2 | Kardos Tibor Kristóf (2015)FTC | 01:01.79 | 06.31 | 74 |