| Pos | Name | YOB | Club | Time | ||||
| 1 | Matthew Bell | 95 | HARS | 45.89 | ||||
| 2 | Richard Allen | 95 | HARS | 46.28 | ||||
| 3 | Matthew Barnes | 95 | HARS | 46.44 | ||||
| 4 | Hallam Child | 96 | TEDL | 48.20 | ||||
| 5 | Danny Rumsey | 95 | HAQS | 49.92 | ||||
| 6 | James Down | 95 | BBFS | 50.38 | ||||
| 7 | Aedan O'Brien | 96 | TEDL | 51.79 | ||||
| 8 | Gareth Bevan | 97 | GODS | 55.41 | ||||
| 9 | Kieran Luxton | 96 | GODS | 56.23 | ||||
| 10 | James Masson | 96 | BBFS | 57.57 | ||||
| 11 | Jake Fleetwood | 96 | COSS | 1:00.41 | ||||
| Aaron Matthews | 95 | COSS | DQ:Alternating legs | |||||
| Duncan Bond | 96 | BBFS | DQ:Breaststroke leg action |