| Irena Szewińska Memorial 2020 | 400m (Women) | 52.96 | 6 | GBR | 2020-08-19 00:00:00 | FINAL2 | | |
| World Championship 2019 Doha | 400m (Women) | 51.62 | 4 | GBR | 2019-10-01 00:00:00 | SF3 | | SB |
| World Championship 2019 Doha | 400m (Women) | 51.66 | 5 | GBR | 2019-09-30 00:00:00 | H2 | | SB |
| Diamond League 2019 London | 400m (Women) | 51.69 | 6 | GBR | 2019-07-20 00:00:00 | FINAL | | SB |
| Commonwealth Games 2018 Gold Coast | 400m (Women) | 52.02 | 4 | ENG | 2018-04-10 00:00:00 | SF3 | 1126 | |
| Commonwealth Games 2018 Gold Coast | 400m (Women) | 52.26 | 3 | ENG | 2018-04-09 00:00:00 | H1 | 1116 | |
| World Championship 2017 London | 400m (Women) | 52.20 | 5 | GBR | 2017-08-06 00:00:00 | Heat2 | 1119 | |
| Diamond League 2017 London | 400m (Women) | 51.67 | 7 | GBR | 2017-07-09 00:00:00 | FINAL | 1139 | SB |
| Olympic Games 2016 Rio | 400m (Women) | 51.49 | 6 | GBR | 2016-08-14 00:00:00 | SemiFinal 2 | 1146 | |
| Olympic Games 2016 Rio | 400m (Women) | 51.76 | 4 | GBR | 2016-08-13 00:00:00 | Round1 Heat5 | 1136 | |
| Diamond League 2016 London | 400m (Women) | 51.63 | 7 | GBR | 2016-07-22 00:00:00 | FINAL | 1141 | |