| Diamond League 2018 Zurich | 400m Hurdles (Women) 0.762m | 55.05 | 5 | GBR | 2018-08-30 00:00:00 | FINAL | 1171 | |
| Diamond League 2018 Birmingham | 400m Hurdles (Women) 0.762m | 56.61 | 4 | GBR | 2018-08-18 00:00:00 | FINAL | | |
| European Championship 2018 Berlin | 400m Hurdles (Women) 0.762m | 56.23 | 8 | GBR | 2018-08-10 00:00:00 | FINAL | | |
| European Championship 2018 Berlin | 400m Hurdles (Women) 0.762m | 55.16 | 1 | GBR | 2018-08-08 00:00:00 | SF1 | | |
| Diamond League 2018 London | 400m Hurdles (Women) 0.762m | 56.18 | 7 | GBR | 2018-07-21 00:00:00 | FINAL | 1136 | |
| Commonwealth Games 2018 Gold Coast | 400m Hurdles (Women) 0.762m | 54.80 | 2 | SCO | 2018-04-12 00:00:00 | FINAL | 1179 | |
| Commonwealth Games 2018 Gold Coast | 400m Hurdles (Women) 0.762m | 54.80 | 1 | SCO | 2018-04-10 00:00:00 | H1 | 1179 | |
| Diamond League 2017 Brussels | 400m Hurdles (Women) 0.762m | 55.04 | 4 | GBR | 2017-09-01 00:00:00 | FINAL | 0 | |
| Diamond League 2017 Zurich | 400m Hurdles (Women) 0.762m | 55.09 | 5 | GBR | 2017-08-24 00:00:00 | FINAL | 0 | |
| World Championship 2017 London | 400m Hurdles (Women) 0.762m | 55.71 | 8 | GBR | 2017-08-10 00:00:00 | FINAL | 1151 | |
| World Championship 2017 London | 400m Hurdles (Women) 0.762m | 55.33 | 3 | GBR | 2017-08-08 00:00:00 | SF3 | 1162 | |
| World Championship 2017 London | 400m Hurdles (Women) 0.762m | 55.49 | 3 | GBR | 2017-08-07 00:00:00 | Heat4 | 1157 | |
| Diamond League 2017 Monaco | 400m Hurdles (Women) 0.762m | 54.75 | 4 | GBR | 2017-07-21 00:00:00 | FINAL | 0 | |
| Diamond League 2017 Rabat | 400m Hurdles (Women) 0.762m | 54.92 | 3 | GBR | 2017-07-16 00:00:00 | Heat1 | 0 | |
| Diamond League 2017 London | 400m Hurdles (Women) 0.762m | 54.82 | 4 | GBR | 2017-07-09 00:00:00 | FINAL | 1178 | |
| Diamond League 2017 Lausanne | 400m Hurdles (Women) 0.762m | 54.36 | 3 | GBR | 2017-07-06 00:00:00 | FINAL | 1193 | SB |
| Diamond League 2017 Rome | 400m Hurdles (Women) 0.762m | 55.86 | 9 | GBR | 2017-06-08 00:00:00 | FINAL | 1146 | SB |
| Diamond League 2016 Lausanne | 400m Hurdles (Women) 0.762m | 54.45 | 2 | GBR | 2016-08-25 00:00:00 | FINAL | 1190 | |
| Olympic Games 2016 Rio | 400m Hurdles (Women) 0.762m | 54.61 | 8 | GBR | 2016-08-18 00:00:00 | FINAL | 1185 | |
| Olympic Games 2016 Rio | 400m Hurdles (Women) 0.762m | 54.99 | 3 | GBR | 2016-08-16 00:00:00 | SemiFinal 2 | 1173 | |
| Olympic Games 2016 Rio | 400m Hurdles (Women) 0.762m | 55.46 | 1 | GBR | 2016-08-15 00:00:00 | Round1 Heat6 | 1158 | |
| Diamond League 2016 London | 400m Hurdles (Women) 0.762m | 54.70 | 4 | GBR | 2016-07-22 00:00:00 | FINAL | 1182 | |
| Diamond League 2016 Monaco | 400m Hurdles (Women) 0.762m | 54.09 | 1 | GBR | 2016-07-15 00:00:00 | FINAL | 1201 | PB |
| Diamond League 2016 Birmingham | 400m Hurdles (Women) 0.762m | 54.57 | 2 | GBR | 2016-06-05 00:00:00 | FINAL | 1186 | |