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| IAAF World Junior Championships, 10 - 15 July, 2012, Barcelona | Representing |
| 12 July | Under-20 Men | 200 Metres | HEAT 6 | 4 | Josh Street | (South London Harriers) | 21.3/0.1 | q | | Great Britain & Northern Ireland |
| 12 July | Under-20 Men | 200 Metres | S-FINAL 1 | 6 | Josh Street | (South London Harriers) | 21.36/-2.8 | | | Great Britain & Northern Ireland |
| 10 July | Under-20 Men | Long Jump | QUAL | 7 | Elliot Safo | (Croydon Harriers) | 7.62m/+2.3 | Q | | Great Britain & Northern Ireland |
| 11 July | Under-20 Men | Long Jump | FINAL | 6 | Elliot Safo | (Croydon Harriers) | 7.51m/-0.4 | | | Great Britain & Northern Ireland |
| 10 July | Junior Women | 3000 Metres | FINAL | 3 | Emelia Gorecka | (Aldershot, Farnham & District AC) | 9:09.43 | | | Great Britain & Northern Ireland |
