| B Final | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 1 | Philippe Vachon | 29 | S8 | CANADA | 1:04.16 |
| 2 | 2 | Adrian LongaronCarrera | 23 | S14 | SPAIN | 57.39 |
| 3 | 3 | Harry Stewart | 20 | S14 | GBR - PLYW | 56.41 |
| 4 | 4 | Jordan Catchpole | 25 | S14 | GBR - SFST | 55.70 |
| 5 | 5 | Dylan Broom | 22 | S14 | GBR - TDOY | 55.97 |
| 6 | 6 | Justin Kaps | 23 | S10 | GERMANY | 56.71 |
| 7 | 7 | Malte Braunschweig | 24 | S9 | GERMANY | 58.01 |
| 8 | 8 | Evan Austin | 32 | S7 | USA | 1:07.27 |