| u20 Men | Name | Time/Distance | Position | Date | Venue | Competition | ||
| Event | ||||||||
| 60m | Simon Thompson | 7.26 | Ht 2 | 8-Jan-05 | NIAC Cardiff | Welsh Indoor Champs | ||
| Alex Watkins | Ht 2 | 8-Jan-05 | NIAC Cardiff | Welsh Indoor Champs | ||||
| 100m | Simon Thompson | 11.60 | 1 | 15-May-05 | Newport | East Wales Regional | ||
| Andrew Watkins | 10.81 | 1 | 18-Jun-05 | Cardiff | welsh Championships | |||
| Simon Thompson | 11.68 | 6 | 18-Jun-05 | Cardiff | welsh Championships | |||
| 200m | Simon Thompson | 24.31 | Ht 2 | 9-Jan-05 | NIAC Cardiff | Welsh Indoor Champs | ||
| Simon Thompson | 22.70 | 1 | 15-May-05 | Newport | East Wales Regional | |||
| Andrew Watkins | 21.82 | 1 | 18-Jun-05 | Cardiff | Welsh Championships | |||
| Andrew Watkins | 21.58 | S/F | 3-Jul-05 | Bedford I.S | NU World Jnr Trials | 4th in Final 21.60 | ||
| 400m | Simon Barnard | 52.90 | 1 | 15-May-05 | Newport | East Wales Regional | ||
| 800m | Simon Barnard | 2.08.9 | 1 | 15-May-05 | Newport | East Wales Regional | ||
| Afan Humphries | 2.02.20 | 1 | 20-Aug-05 | Aberdare | Jnr League Plate Final | |||
| 1500m | Afan Humphries | 4.17.30 | 1 | 20-Aug-05 | Aberdare | Jnr League Plate Final | ||
| 3000m | Afan Humphries | 9.06.9 | 1 | 18-Jun-05 | Cardiff | Welsh Championships | ||
| Long Jump | Alex Watkins | 5.59 | 8 | 8-Jan-05 | NIAC Cardiff | Welsh Indoor Champs | ||
| Javelin | David Connolly | 27.39 | 3 | 7-May-05 | Cwmbran | W.S.L | ||
| Discus | Justin Bryan | 39.00 | 1 | 7-May-05 | Cwmbran | W.S.L | ||
| Shot | Justin Bryan | 12.74 | 1 | 7-May-05 | Cwmbran | W.S.L | ||
| David Connolly | 8.72 | 1 | 7-May-05 | Cwmbran | W.S.L | |||
| Hammer | Justin Bryan | 36.94 | 1 | 7-May-05 | Cwmbran | W.S.L | ||