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| World Championships, 13-21 September, 2025, Tokyo, Japan | Representing |
| 13 September | Men | 100 Metres | HEAT 1 | 4 | Romell Glave | (Croydon Harriers) | 10.00/+0.3 | q | | Great Britain & Northern Ireland |
| 13 September | Women | 1500 Metres | HEAT 3 | 13 | Adelle Tracey | (Guildford & Godalming AC) | 4:11.87 | | | Jamaica |
| 13 September | Mixed | 4 X 400 Metres Relay Mixed | HEAT 1 | 6 | Conor Kelly (Leg 3) | (Hercules Wimbledon AC) | 3:13.59 | | | Ireland |
| 14 September | Men | 100 Metres | S-FINAL 3 | 6 | Romell Glave | (Croydon Harriers) | 10.09/0.0 | | | Great Britain & Northern Ireland |
| 15 September | Men | 400 Metres Hurdles (91.4cm) | HEAT 1 | 2 | Tyri Donovan | (Windsor, Slough, Eton & Hounslow AC) | 48.26 | Q | Surrey Record | Great Britain & Northern Ireland |
| 17 September | Men | 400 Metres Hurdles (91.4cm) | S-FINAL 1 | 4 | Tyri Donovan | (Windsor, Slough, Eton & Hounslow AC) | 48.21 | | Surrey Record | Great Britain & Northern Ireland |
| 18 September | Women | 800 Metres | HEAT 2 | 7 | Adelle Tracey | (Guildford & Godalming AC) | 2:01.70 | | | Jamaica |
| 18 September | Women | High Jump | QUAL A | 1 = | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 1.92m | q | | Great Britain & Northern Ireland |
| 20 September | Men | Discus (2kg) | QUAL B | 7 | Lawrence Okoye | (Croydon Harriers) | 63.50m | | | Great Britain & Northern Ireland |
| 21 September | Women | High Jump | FINAL | 7 = | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 1.93m | | | Great Britain & Northern Ireland |
