| Olympic Games 2016 Rio | 400m (Women) | 51.22 | 5 | GBR | 2016-08-14 00:00:00 | SemiFinal 1 | 1157 | |
| Olympic Games 2016 Rio | 400m (Women) | 51.40 | 2 | GBR | 2016-08-13 00:00:00 | Round1 Heat4 | 1150 | |
| Diamond League 2016 London | 400m (Women) | 51.05 | 5 | GBR | 2016-07-22 00:00:00 | FINAL | 1164 | SB |
| Diamond League 2016 Birmingham | 400m (Women) | 52.40 | 7 | GBR | 2016-06-05 00:00:00 | FINAL | 1111 | |
| World Championship 2015 Beijing | 400m (Women) | 50.63 | 8 | GBR | 2015-08-27 00:00:00 | FINAL | 1180 | |
| World Championship 2015 Beijing | 400m (Women) | 50.16 | 4 | GBR | 2015-08-25 00:00:00 | Semi Finals | 1199 | SB |
| World Championship 2015 Beijing | 400m (Women) | 51.01 | 11 | GBR | 2015-08-24 00:00:00 | Round 1 | 1165 | |
| Olympic Games 2012 London | 400m (Women) | 49.70 | 2 | GBR | 2012-08-05 00:00:00 | FINAL | 1218 | SB |
| Olympic Games 2012 London | 400m (Women) | 50.22 | 2 | GBR | 2012-08-04 00:00:00 | SemiFinal 1 | 1197 | SB |
| Olympic Games 2012 London | 400m (Women) | 50.80 | 2 | GBR | 2012-08-03 00:00:00 | Heat 1 | 1174 | |