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| European Junior (U20) Championships, 7/10 August, 2025, Tampere, Finland | Representing |
| 7 August | Under-20 Men | 400 Metres | HEAT 4 | 1 | Conor Kelly | (Hercules Wimbledon AC) | 46.94 | Q | | Ireland |
| 7 August | Under-20 Women | 5000 Metres | FINAL | - | Katie Pye | (Aldershot, Farnham & District AC) | DNF | | | Great Britain & Northern Ireland |
| 7 August | Under-20 Women | 400 Metres Hurdles (76.2cm) | HEAT 4 | 1 | Arabella Wilson | (Thames Valley Harriers) | 59.01 | Q | | Great Britain & Northern Ireland |
| 8 August | Under-20 Men | 400 Metres | S-FINAL 1 | 1 | Conor Kelly | (Hercules Wimbledon AC) | 46.58 | Q | | Ireland |
| 8 August | Under-20 Women | 400 Metres Hurdles (76.2cm) | S-FINAL 2 | 2 | Arabella Wilson | (Thames Valley Harriers) | 57.69 | Q | | Great Britain & Northern Ireland |
| 9 August | Under-20 Men | 400 Metres | FINAL | 1 | Conor Kelly | (Hercules Wimbledon AC) | 45.83 | | | Ireland |
| 9 August | Under-20 Women | 400 Metres Hurdles (76.2cm) | FINAL | 5 | Arabella Wilson | (Thames Valley Harriers) | 57.34 | | | Great Britain & Northern Ireland |
