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| European U23 Championships, 29 July / 1 August, 1999, Gothenburg, Sweden | Representing |
| 29 July | Under-23 Men | 1500 Metres | HEAT 1 | 5 | Yacin Yusuf | (Croydon Harriers) | 3:44.00 | q | | Great Britain & Northern Ireland |
| 29 July | Under-23 Women | 400 Metres Hurdles | HEAT 3 | 2 | Natasha Danvers | (Shaftesbury Barnet Harriers) | 57.84 | Q | | Great Britain & Northern Ireland |
| 30 July | Under-23 Women | 400 Metres Hurdles | FINAL | 1 | Natasha Danvers | (Shaftesbury Barnet Harriers) | 56.00 | | | Great Britain & Northern Ireland |
| 31 July | Under-23 Men | 1500 Metres | FINAL | 8 | Yacin Yusuf | (Croydon Harriers) | 3:46.87 | | | Great Britain & Northern Ireland |
| 31 July | Under-23 Women | 200 Metres | HEAT 1 | 4 | Susan Williams | (Walton AC) | 23.81 | | | Great Britain & Northern Ireland |
| 31 July | Under-23 Women | 4 X 400 Metres Relay | HEAT 2 | 3 | Natasha Danvers (Leg 4) | (Shaftesbury Barnet Harriers) | 3:31.70 | Q | | Great Britain & Northern Ireland |
| 1 August | Under-23 Men | Discus Throw | FINAL | 7 | Emeka Udechuku | (Blackheath Harriers) | 57.87m | | | Great Britain & Northern Ireland |
| 1 August | Under-23 Women | 4 X 100 Metres Relay | FINAL | 4 | Susan Williams (Leg 4) | (Walton AC) | 44.55 | | | Great Britain & Northern Ireland |
| 1 August | Under-23 Women | 4 X 400 Metres Relay | FINAL | | Natasha Danvers (Leg 4) | (Shaftesbury Barnet Harriers) | DNF | | | Great Britain & Northern Ireland |
