| World Championship 2019 Doha | 400m (Men) | 46.21 | 5 | JAM | 2019-10-01 00:00:00 | H5 | | |
| Commonwealth Games 2018 Gold Coast | 400m (Men) | DNF | | JAM | 2018-04-10 00:00:00 | FINAL | 0 | |
| Commonwealth Games 2018 Gold Coast | 400m (Men) | 45.77 | 2 | JAM | 2018-04-09 00:00:00 | SF3 | 1127 | |
| Commonwealth Games 2018 Gold Coast | 400m (Men) | 45.99 | 2 | JAM | 2018-04-08 00:00:00 | H4 | 1112 | |
| Olympic Games 2016 Rio | 400m (Men) | 45.22 | 2 | JAM | 2016-08-13 00:00:00 | Round1 Heat6 | 1165 | SB |
| Diamond League 2016 Rome | 400m (Men) | 46.05 | 8 | JAM | 2016-06-02 00:00:00 | FINAL | 1108 | |
| Diamond League 2016 Rabat | 400m (Men) | 46.79 | 7 | JAM | 2016-05-22 00:00:00 | FINAL | 1059 | |
| World Championship 2015 Beijing | 400m (Men) | 44.86 | 15 | JAM | 2015-08-24 00:00:00 | Semi Final | 1190 | |
| World Championship 2015 Beijing | 400m (Men) | 43.93 | 1 | JAM | 2015-08-23 00:00:00 | Round 1 | 1255 | NR |
| Commonwealth Games 2014 Glasgow | 400m (Men) | 45.95 | 4 | JAM | 2014-07-29 00:00:00 | SF1 | 1115 | |
| Commonwealth Games 2014 Glasgow | 400m (Men) | 46.14 | 3 | JAM | 2014-07-28 00:00:00 | H3 | 1102 | |
| Olympic Games 2012 London | 400m (Men) | 46.67 | 4 | JAM | 2012-08-04 00:00:00 | Heat1 | 1067 | |