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| 400HU17M U17M |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 57.59 | Rob Phillips | PB | U17 | M | 16 | 29.02.96 | Sandra Woodman | Yate | 55.42 | 55.42 |  |
| 2 | 59.95 | Ryan Cooper | | U17 | M | 16 | 30.03.96 | Helen Patricia James | Cardiff | 55.87 | 55.87 | |
| 3 | 65.45 | Harry Davies | | U17 | M | 15 | 07.03.97 | | Bridgend | 63.91 | 63.91 | |
| 4 | 68.15 | Connor Creed | PB | U17 | M | | | David Lucas | Forest of Dean | 66.0 | 66.0 | |
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