| Olympic Games 2024 Paris | 400m (Women) | 50.69 | 3 | GBR | 2024-08-07 00:00:00 | SF2 | | YC |
| Olympic Games 2024 Paris | 400m (Women) | 50.36 | 2 | GBR | 2024-08-05 00:00:00 | H2 | | |
| Diamond League 2020 Rome | 400m (Women) | 52.45 | 7 | GBR | 2020-09-17 00:00:00 | FINAL | | |
| P-T-S Meeting 2020 | 400m (Women) | 51.70 | 1 | GBR | 2020-09-11 00:00:00 | FINAL | | SB |
| Diamond League 2020 Stockholm | 400m (Women) | 52.16 | 2 | GBR | 2020-08-23 00:00:00 | FINAL | | SB |
| Gyulai István Memorial 2020 | 400m (Women) | 52.24 | 3 | GBR | 2020-08-19 00:00:00 | FINAL | | SB |
| World Championship 2019 Doha | 400m (Women) | 52.94 | 8 | GBR | 2019-10-01 00:00:00 | SF1 | | |
| World Championship 2019 Doha | 400m (Women) | 51.52 | 3 | GBR | 2019-09-30 00:00:00 | H3 | | |
| Diamond League 2019 London | 400m (Women) | 50.83 | 3 | GBR | 2019-07-20 00:00:00 | FINAL | | PB |
| Diamond League 2019 Lausanne | 400m (Women) | 51.31 | 4 | GBR | 2019-07-05 00:00:00 | FINAL | | SB |
| European Championship 2018 Berlin | 400m (Women) | 51.21 | 4 | GBR | 2018-08-11 00:00:00 | FINAL | | |
| European Championship 2018 Berlin | 400m (Women) | 51.21 | 1 | GBR | 2018-08-09 00:00:00 | SF1 | | PB |
| European Championship 2018 Berlin | 400m (Women) | 51.67 | 1 | GBR | 2018-08-08 00:00:00 | H1 | | PB |
| Diamond League 2018 London | 400m (Women) | 51.70 | 8 | GBR | 2018-07-22 00:00:00 | FINAL | 1138 | PB |
| Diamond League 2016 Stockholm | 400m (Women) | 53.23 | 5 | GBR | 2016-06-16 00:00:00 | FINAL | 1079 | |