| |
| 400 |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 48.63 | Curtis Woods | | U17 | M | 15 | 21.09.92 | | Lagan Valley/Ireland | 47.27 | 47.27 |  |
| 2 | 49.83 | Greg Louden | | U17 | M | 15 | 25.10.92 | Dave Finlayson | Lasswade/Team Edinburgh | 48.83 | 47.69 | |
| 3 | 49.98 | Ben Sturgess | | U17 | M | 16 | 17.01.92 | Mike Leonard | Bedford & County | 47.99 | 47.99 | |
| 4 | 50.44 | Thomas Bensted | | U17 | M | 15 | 25.02.93 | | Blackheath & Bromley | 48.92 | 48.92 | |
| 5 | 51.18 | Anthony Young | | U17 | M | 15 | 14.09.92 | John Macdonald | Pitreavie/Kingdom Athletics | 49.93 | 48.22 | |
| 6 | 51.54 | Ricky Watts | | U17 | M | | | | Dyfed Schs | 50.89 | 50.89 | |
| 7 | 51.80 | Sam Conway | | U17 | M | 16 | 09.05.92 | Helen Patricia James | Cardiff | 50.29 | 49.6 | |
| 8 | 52.26 | Joseph Dowling | SB | U17 | M | | | | Dundrum South Dublin/Ireland | 52.26 | 49.84 | |