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| IAAF World Youth Championships, 15 - 19 July, 2015, Cali, Columbia | Representing |
| 15 July | Under-18 Men | 1st Day Total | DEC | 24 | Sam Talbot | (Exeter Harriers) | 2929pts | | | Great Britain & Northern Ireland |
| 15 July | Under-18 Men | 100 Metres | HEAT 6 | 1 | Rechmial Miller | (Hercules Wimbledon AC) | 10.49/-0.7 | Q | PB | Great Britain & Northern Ireland |
| 15 July | Under-18 Men | 100 Metres | S-FINAL 1 | 1 | Rechmial Miller | (Hercules Wimbledon AC) | 10.45/-0.2 | Q | PB | Great Britain & Northern Ireland |
| 15 July | Under-18 Men | 100 Metres | FINAL | 3 | Rechmial Miller | (Hercules Wimbledon AC) | 10.59/-0.4 | | | Great Britain & Northern Ireland |
| 15 July | Under-18 Men | 100 Metres | DEC | 3h4 | Sam Talbot | (Exeter Harriers) | 11.07/-0.9 | | PB | Great Britain & Northern Ireland |
| 15 July | Under-18 Men | 400 Metres | HEAT 3 | - | Sam Talbot | (Exeter Harriers) | DQ R163.3(a) | | | Great Britain & Northern Ireland |
| 16 July | Under-18 Men | 1500 Metres | DEC | 11h | Sam Talbot | (Exeter Harriers) | 5:13.64 | | | Great Britain & Northern Ireland |
| 16 July | Under-18 Men | 100 Metres Hurdles | DEC | 1h3 | Sam Talbot | (Exeter Harriers) | 13.79/0.2 | | PB | Great Britain & Northern Ireland |
| 15 July | Under-18 Men | High Jump | DEC | B12 | Sam Talbot | (Exeter Harriers) | 1.72m | | | Great Britain & Northern Ireland |
| 16 July | Under-18 Men | Pole Vault | DEC | B2 | Sam Talbot | (Exeter Harriers) | 4.00m | | PB | Great Britain & Northern Ireland |
| 15 July | Under-18 Men | Long Jump | DEC | B3 | Sam Talbot | (Exeter Harriers) | 7.12m/+1.0 | | | Great Britain & Northern Ireland |
| 15 July | Under-18 Men | Shot Putt | DEC | B4 | Sam Talbot | (Exeter Harriers) | 13.25m | | | Great Britain & Northern Ireland |
| 16 July | Under-18 Men | Discus Throw | DEC | B7 | Sam Talbot | (Exeter Harriers) | 35.93m | | | Great Britain & Northern Ireland |
| 16 July | Under-18 Men | Javelin Throw | DEC | B3 | Sam Talbot | (Exeter Harriers) | 53.64m | | PB | Great Britain & Northern Ireland |
| 16 July | Under-18 Men | Decathlon | FINAL | 21 | Sam Talbot | (Exeter Harriers) | 6257pts | | | Great Britain & Northern Ireland |
| 15 July | Under-18 Women | 100 Metres Hurdles | HEAT 2 | 2 | Hope Sarti | (Guildford & Godalming AC) | 13.77/-1.3 | Q | | Great Britain & Northern Ireland |
| 16 July | Under-18 Women | 100 Metres Hurdles | S-FINAL 1 | 7 | Hope Sarti | (Guildford & Godalming AC) | 13.7/-0.4 | | | Great Britain & Northern Ireland |
