| |
| 400 |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 55.4 | Tyler Pritchard | | U15 | M | 13 | 16.09.97 | Phil Banning | Cwmbran | 54.88 | 54.15 |  |
| 2 | 57.0 | Danny Morgan | PB | U15 | M | 13 | 01.10.97 | Sean Price | Aberdare Valley | 57.0 | 57.0 | |
| 3 | 57.4 | Ryan Morgan | PB | U15 | M | 14 | 20.09.96 | | Newport | 57.24 | 57.24 | |
| 4 | 59.9 | Alex Price | | U15 | M | 13 | 27.09.97 | Sean Price | Aberdare Valley | 59.12 | 59.12 | |
| 5 | 60.1 | Joe Davies | PB | U15 | M | 13 | 19.06.98 | | Newport | 60.1 | 59.79 | |
| 6 | 61.3 | Ciaran Lewis | PB | U15 | M | 14 | 18.03.97 | Lee McLaren | Cardiff | 61.3 | 61.3 | |
| 7 | 61.7 | Alex Love | PB | U15 | M | 13 | 02.02.98 | Tim Fry | Cardiff | 61.7 | 61.7 | |
| 8 | 62.4 | Mike Bellew | PB | U15 | M | | | Steve Knight | Cardiff/Cardiff & The Vale Schs | 62.4 | 62.4 | |