| |
| World Junior Championships, 5 - 9 August, 2026, Eugene OR, USA | Representing |
| 5 August | Under-20 Men | 800 Metres | HEAT 3 | 3 | Matthew McKenna | (Walton AC) | 1:51.49 | Q | | Great Britain & Northern Ireland |
| 6 August | Under-20 Men | 1500 Metres | HEAT 3 | 6 | Ethan Newell | (Sutton & District AC) | 3:47.74 | | | Great Britain & Northern Ireland |
| 6 August | Under-20 Men | High Jump | QUAL B | 1 = | Samuel James | (Kingston AC & Polytechnic Harriers) | 2.14m | | | Great Britain & Northern Ireland |
| 7 August | Under-20 Men | 800 Metres | S-FINAL 3 | 4 | Matthew McKenna | (Walton AC) | 1:49.46 | | | Great Britain & Northern Ireland |
| 8 August | Under-20 Men | High Jump | FINAL | 5 = | Samuel James | (Kingston AC & Polytechnic Harriers) | 2.17m | | | Great Britain & Northern Ireland |
| 8 August | Under-20 Women | 3000 Metres | FINAL | 10 | Katie Pye | (Aldershot, Farnham & District AC) | 9:19.09 | | | Great Britain & Northern Ireland |
