| u20 Men | Name | Time/Distance | Position | Date | Venue | Competition | |
| Event | |||||||
| 100m | Simon Thompson | 11.10 | 2 | 25.04.04 | Aberdare | S.E.W.L M1 | |
| Simon Thompson | 11.70 | 1 | 22.05.04 | Hereford | S.E.W.L M2 | ||
| Simon Thompson | 11.20 | 1 | 16.05.04 | Newport | East Wales Champs | ||
| Simon Thompson | 11.50 | 1 | 08.08.04 | Brecon | S.E.W.L M4 | ||
| 200m | Mark Hicks | 24.40 | 3 | 16.05.04 | Newport | East Wales Champs | |
| Simon Barnnard | 24.90 | guest | 25.04.04 | Aberdare | S.E.W.L M1 | ||
| Simon Thompson | 22.60 | 2 | 25.04.04 | Aberdare | S.E.W.L M1 | ||
| Simon Thompson | 23.10 | 1 | 16.05.04 | Newport | East Wales Champs | ||
| Simon Thompson | 23.60 | 1 | 22.05.04 | Hereford | S.E.W.L M2 | ||
| Simon Thompson | 23.70 | 1 | 08.08.04 | Brecon | S.E.W.L M4 | ||
| 800m | Simon Barnard | 2.07.9 | 1 | 25.04.04 | Aberdare | S.E.W.L M1 | |
| Simon Barnard | 2.06.4 | 1 | 16.05.04 | Newport | East Wales Champs | ||
| Long Jump | Thomas Waters | 5.72m | 1 | 16.05.04 | Newport | East Wales Champs | |
| Triple Jump | Thomas Waters | 11.68m | 1 | 16.05.04 | Newport | East Wales Champs | |