| Diamond League 2020 Doha | 400m (Men) | 46.46 | 5 | GBR | 2020-09-25 00:00:00 | FINAL | | |
| Diamond League 2020 Rome | 400m (Men) | 45.65 | 5 | GBR | 2020-09-17 00:00:00 | FINAL | | SB |
| P-T-S Meeting 2020 | 400m (Men) | 46.13 | 2 | GBR | 2020-09-11 00:00:00 | FINAL | | |
| Palio Città della Quercia 2020 | 400m (Men) | 46.02 | 1 | GBR | 2020-09-08 00:00:00 | FINAL | | SB |
| Kamila Skolimowska Memorial 2020 | 400m (Men) | 46.05 | 4 | GBR | 2020-09-06 00:00:00 | FINAL | | SB |
| Diamond League 2020 Stockholm | 400m (Men) | 46.63 | 4 | GBR | 2020-08-23 00:00:00 | FINAL | | |
| Irena Szewińska Memorial 2020 | 400m (Men) | 46.39 | 1 | GBR | 2020-08-19 00:00:00 | FINAL | | SB |
| World Championship 2019 Doha | 400m (Men) | 45.15 | 5 | GBR | 2019-10-02 00:00:00 | SF3 | | SB |
| World Championship 2019 Doha | 400m (Men) | 45.40 | 3 | GBR | 2019-10-01 00:00:00 | H6 | | |
| Diamond League 2019 London | 400m (Men) | 45.52 | 8 | GBR | 2019-07-21 00:00:00 | FINAL | | |
| Diamond League 2018 Brussels | 400m (Men) | 46.72 | 5 | GBR | 2018-08-31 00:00:00 | FINAL | 1063 | |
| European Championship 2018 Berlin | 400m (Men) | 45.30 | 3 | GBR | 2018-08-08 00:00:00 | SF2 | | SB |
| Diamond League 2018 London | 400m (Men) | 46.07 | 9 | GBR | 2018-07-21 00:00:00 | FINAL | 1107 | |
| Commonwealth Games 2018 Gold Coast | 400m (Men) | 46.05 | 4 | ENG | 2018-04-09 00:00:00 | SF1 | 1108 | |
| Commonwealth Games 2018 Gold Coast | 400m (Men) | 46.09 | 3 | ENG | 2018-04-08 00:00:00 | H1 | 1105 | |
| Diamond League 2017 Brussels | 400m (Men) | 46.10 | 2 | GBR | 2017-09-01 00:00:00 | FINAL | 1105 | |
| Diamond League 2017 Birmingham | 400m (Men) | 45.58 | 3 | GBR | 2017-08-20 00:00:00 | FINAL | 1140 | SB |
| Diamond League 2017 London | 400m (Men) | 45.94 | 5 | GBR | 2017-07-09 00:00:00 | FINAL | 1115 | |
| Diamond League 2017 Stockholm | 400m (Men) | 46.06 | 6 | GBR | 2017-06-18 00:00:00 | FINAL | 1107 | |
| Diamond League 2016 London | 400m (Men) | 45.45 | 3 | GBR | 2016-07-22 00:00:00 | FINAL | 1149 | SB |
| Diamond League 2016 Birmingham | 400m (Men) | 45.59 | 7 | GBR | 2016-06-05 00:00:00 | FINAL | 1139 | SB |
| Diamond League 2016 Rabat | 400m (Men) | 45.90 | 6 | GBR | 2016-05-22 00:00:00 | FINAL | 1118 | |
| World Championship 2015 Beijing | 400m (Men) | 44.68 | 6 | GBR | 2015-08-26 00:00:00 | FINAL | 1202 | |
| World Championship 2015 Beijing | 400m (Men) | 44.54 | 7 | GBR | 2015-08-24 00:00:00 | Semi Final | 1212 | PB |
| World Championship 2015 Beijing | 400m (Men) | 45.24 | 24 | GBR | 2015-08-23 00:00:00 | Round 1 | 1163 | |