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| World Championships, 27 Sept / 6 Oct, 2019, Doha, Qatar | Representing |
| 27 September | Men | 400 Metres Hurdles (91.4cm) | HEAT 5 | 4 | Chris McAlister | (Thames Valley Harriers) | 49.73 | Q | | Great Britain & Northern Ireland |
| 27 September | Women | 3000 Metres Steeplechase (91.4cm) | HEAT 3 | 12 | Rosie Clarke | (Epsom & Ewell Harriers) | 9:49.18 | | | Great Britain & Northern Ireland |
| 27 September | Women | High Jump | QUAL A | 11 = | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 1.85m | | | Great Britain & Northern Ireland |
| 28 September | Men | 400 Metres Hurdles (91.4cm) | S-FINAL 2 | 5 | Chris McAlister | (Thames Valley Harriers) | 49.18 | | | Great Britain & Northern Ireland |
| 28 September | Women | 100 Metres | HEAT 6 | 4 | Imani Lansiquot | (Sutton & District AC) | 11.31/-0.3 | q | | Great Britain & Northern Ireland |
| 28 September | Mixed | 4 X 400 Metres Relay | HEAT 1 | 4 | Martyn Rooney (Leg 4) | (Croydon Harriers) | 3:12.80 | q | European Record | Great Britain & Northern Ireland |
| 29 September | Women | 100 Metres | S-FINAL 3 | 7 | Imani Lansiquot | (Sutton & District AC) | 11.35/-0.4 | | | Great Britain & Northern Ireland |
| 29 September | Mixed | 4 X 400 Metres Relay | FINAL | 4 | Martyn Rooney (Leg 4) | (Croydon Harriers) | 3:12.27 | | European Record | Great Britain & Northern Ireland |
| 4 October | Women | 4 X 100 Metres Relay | HEAT 2 | 2 | Imani Lansiquot (Leg 2) | (Sutton & District AC) | 42.25 | Q | | Great Britain & Northern Ireland |
| 5 October | Men | 4 X 400 Metres Relay | HEAT 1 | 4 | Martyn Rooney (Leg 4) | (Croydon Harriers) | 3:01.96 | q | | Great Britain & Northern Ireland |
