| |
| IAAF World Junior Championships, 13/18 July, 2004, Grosseto, Italy | Representing |
| 13 July | Under-20 Men | High Jump | QUAL | | Nick Stanisavljevic | (Woking AC) | 2.15m | | | Great Britain & Northern Ireland |
| 15 July | Under-20 Men | High Jump | FINAL | 9 | Nick Stanisavljevic | (Woking AC) | 2.14m | | | Great Britain & Northern Ireland |
| 17 July | Under-20 Women | 4 X 400 Metres Relay | HEAT 2 | 4 | Charlotte Best (Leg 2) | (Crawley AC) | 3:36.10 | | | Great Britain & Northern Ireland |
| 18 July | Under-20 Women | 4 X 400 Metres Relay | FINAL | 5 | Charlotte Best (Leg 3) | (Crawley AC) | 3:33.67 | | | Great Britain & Northern Ireland |
