| Pos | Name | YOB | Club | Time | ||||
| TF | Benedict Chapman | 95 | TEDL | 46.08 | ||||
| 1 | Alexander Lloyd | 94 | TEDL | 47.29 | ||||
| 2 | Peter Coleman | 94 | HARS | 48.15 | ||||
| 3 | Andrew T Whitbread | 95 | TEDL | 49.78 | ||||
| 4 | Daniel Richards | 95 | HARS | 50.35 | ||||
| 5 | Elliot Olsen | 94 | COSS | 50.42 | ||||
| 6 | Christian Hosking | 94 | WCPS | 50.75 | ||||
| 7 | Jamie Baird | 94 | BBFS | 51.98 | ||||
| 8 | Samuel Taylor | 94 | BBFS | 52.07 | ||||
| 9 | Henry Tighe | 94 | WCPS | 52.83 | ||||
| 10 | Michael Muckelt | 95 | HVWS | 53.36 | ||||
| 11 | Eoin O'Brien | 94 | TEDL | 53.86 | ||||
| 12 | Gary Benson | 94 | HARS | 56.33 | ||||
| 13 | Sam Thomas | 94 | GOSS | 1:01.85 | ||||
| Thomas Austin | 95 | HVWS | DQ:Legs not in same horizontal plane | |||||
| Thomas Stroud | 95 | COSS | DQ:Incomplete stroke cycle at start | |||||
| Thomas Rampton | 95 | BBFS | DQ:Feet not turned out, 1 hand touch at turn |