| European Championship 2018 Berlin | 400m (Men) | 45.73 | 6 | GBR | 2018-08-08 00:00:00 | SF3 | | SB |
| European Championship 2018 Berlin | 400m (Men) | 46.27 | 3 | GBR | 2018-08-07 00:00:00 | H3 | | |
| Diamond League 2017 Brussels | 400m (Men) | 46.29 | 3 | GBR | 2017-09-01 00:00:00 | FINAL | 1092 | |
| Diamond League 2017 Birmingham | 400m (Men) | 46.28 | 7 | GBR | 2017-08-20 00:00:00 | FINAL | 1093 | |
| World Championship 2017 London | 400m (Men) | 45.75 | 6 | GBR | 2017-08-05 00:00:00 | Heat5 | 1128 | |
| Diamond League 2017 London | 400m (Men) | 45.99 | 6 | GBR | 2017-07-09 00:00:00 | FINAL | 1112 | SB |
| Diamond League 2016 Zurich | 400m (Men) | 45.32 | 4 | GBR | 2016-09-01 00:00:00 | FINAL | 1158 | |
| Diamond League 2016 Lausanne | 400m (Men) | 45.46 | 5 | GBR | 2016-08-25 00:00:00 | FINAL | 1148 | |
| Olympic Games 2016 Rio | 400m (Men) | 45.60 | 5 | GBR | 2016-08-13 00:00:00 | Round1 Heat4 | 1138 | |
| Diamond League 2016 London | 400m (Men) | DQ | | GBR | 2016-07-22 00:00:00 | FINAL | 0 | |
| World Championship 2015 Beijing | 400m (Men) | 45.29 | 20 | GBR | 2015-08-24 00:00:00 | Semi Final | 1160 | |
| World Championship 2015 Beijing | 400m (Men) | 44.45 | 6 | GBR | 2015-08-23 00:00:00 | Round 1 | 1218 | PB |
| Olympic Games 2012 London | 400m (Men) | 45.31 | 5 | GBR | 2012-08-05 00:00:00 | SemiFinal3 | 1158 | |
| Olympic Games 2012 London | 400m (Men) | 45.36 | 2 | GBR | 2012-08-04 00:00:00 | Heat7 | 1155 | |