| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 1 | Tristyn James | 06 | Bridgend Cty | 53.97 |
| 1 | 2 | David Annis | 06 | Pershore | 53.65 |
| 2 | 3 | William Ellard | 06 | St Felix Sch | 53.37 |
| 3 | 4 | George Snow | 06 | Portsmouth N | 52.92 |
| 4 | 5 | Nicholas Finch | 06 | Chelsea&West | 52.24 |
| 5 | 6 | Matthew Baker | 06 | West Suffolk | 52.57 |
| 6 | 7 | Jack Jenkinson | 06 | Skipton | 53.20 |
| 7 | 8 | Carwyn Jones | 06 | Co Cardiff | 53.48 |
| 8 | 9 | Jonathan Turck | 06 | Mt Kelly | 53.95 |
| 9 | 10 | Calum Peebles | 06 | East Lothian | 53.99 |