| European Championship 2018 Berlin | 400m Hurdles (Men) 0.914m | 49.84 | 6 | GBR | 2018-08-07 00:00:00 | SF3 | | |
| Diamond League 2018 London | 400m Hurdles (Men) 0.914m | DNF | | GBR | 2018-07-21 00:00:00 | FINAL | 0 | |
| Diamond League 2018 Lausanne | 400m Hurdles (Men) 0.914m | 49.52 | 7 | GBR | 2018-07-05 00:00:00 | FINAL | 1154 | |
| Diamond League 2018 Stockholm | 400m Hurdles (Men) 0.914m | 49.73 | 5 | GBR | 2018-06-10 00:00:00 | FINAL | 1143 | |
| Diamond League 2018 Doha | 400m Hurdles (Men) 0.914m | 50.22 | 7 | GBR | 2018-05-04 00:00:00 | FINAL | 1119 | |
| Diamond League 2017 Zurich | 400m Hurdles (Men) 0.914m | 49.41 | 6 | GBR | 2017-08-24 00:00:00 | FINAL | 1159 | |
| World Championship 2017 London | 400m Hurdles (Men) 0.914m | 49.93 | 4 | GBR | 2017-08-07 00:00:00 | SF2 | 1133 | |
| World Championship 2017 London | 400m Hurdles (Men) 0.914m | 49.55 | 5 | GBR | 2017-08-06 00:00:00 | Heat5 | 1152 | |
| Diamond League 2017 London | 400m Hurdles (Men) 0.914m | 48.77 | 6 | GBR | 2017-07-09 00:00:00 | FINAL | 1192 | SB |
| Diamond League 2017 Stockholm | 400m Hurdles (Men) 0.914m | 49.29 | 4 | GBR | 2017-06-18 00:00:00 | FINAL | 1165 | |
| Olympic Games 2016 Rio | 400m Hurdles (Men) 0.914m | 49.54 | 8 | GBR | 2016-08-16 00:00:00 | SemiFinal 1 | 1153 | |
| Olympic Games 2016 Rio | 400m Hurdles (Men) 0.914m | 48.96 | 2 | GBR | 2016-08-15 00:00:00 | Round1 Heat5 | 1182 | SB |
| Diamond League 2016 London | 400m Hurdles (Men) 0.914m | 48.99 | 5 | GBR | 2016-07-22 00:00:00 | FINAL | 1181 | |
| World Championship 2015 Beijing | 400m Hurdles (Men) 0.914m | DNS | | GBR | 2015-08-22 00:00:00 | Round 1 | 0 | |
| Olympic Games 2012 London | 400m Hurdles (Men) 0.914m | DNF | | GBR | 2012-08-04 00:00:00 | SemiFinal2 | 0 | |
| Olympic Games 2012 London | 400m Hurdles (Men) 0.914m | 49.49 | 2 | GBR | 2012-08-03 00:00:00 | Heat6 | 1155 | |