| Olympic Games 2024 Paris | 800m (Men) | 1:45.97 | 6 | IRL | 2024-08-09 00:00:00 | SF1 | | |
| Olympic Games 2024 Paris | 800m (Men) | 1:45.15 | 2 | IRL | 2024-08-07 00:00:00 | H2 | | |
| World Championship 2023 Budapest | 800m (Men) | 1:45.14 | 7 | IRL | 2023-08-24 00:00:00 | SF3 | | SB |
| World Championship 2023 Budapest | 800m (Men) | 1:45.71 | 4 | IRL | 2023-08-22 00:00:00 | H2 | | SB |
| Diamond League 2023 Doha | 800m (Men) | 1:48.56 | 7 | IRL | 2023-05-05 00:00:00 | FINAL | | SB |
| World Championship 2022 Oregon | 800m (Men) | 1:45.78 | 5 | IRL | 2022-07-21 00:00:00 | SF3 | | |
| World Championship 2022 Oregon | 800m (Men) | 1:44.76 | 3 | IRL | 2022-07-20 00:00:00 | H5 | | SB |
| Olympic Games 2020 Tokyo | 800m (Men) | 1:46.75 | 4 | IRL | 2021-07-31 00:00:00 | H5 | | |
| World Championship 2019 Doha | 800m (Men) | 1:47.25 | 7 | IRL | 2019-09-28 00:00:00 | H4 | | |
| Diamond League 2019 Birmingham | 800m (Men) | 1:45.94 | 1 | IRL | 2019-08-18 00:00:00 | FINAL | | SB |
| European Championship 2018 Berlin | 800m (Men) | 1:48.98 | 6 | IRL | 2018-08-09 00:00:00 | H1 | | SB |
| World Championship 2017 London | 800m (Men) | 1:48.01 | 5 | IRL | 2017-08-05 00:00:00 | Heat5 | 1083 | |
| Diamond League 2017 London | 800m (Men) | 1:47.04 | 11 | IRL | 2017-07-09 00:00:00 | FINAL | 1112 | |
| Olympic Games 2016 Rio | 800m (Men) | 1:45.93 | 5 | IRL | 2016-08-13 00:00:00 | SemiFinal 3 | 1145 | |
| Olympic Games 2016 Rio | 800m (Men) | 1:46.40 | 3 | IRL | 2016-08-12 00:00:00 | Heat 6 | 1131 | |
| Diamond League 2016 London | 800m (Men) | 1:45.36 | 8 | IRL | 2016-07-22 00:00:00 | FINAL | 1162 | SB |
| World Championship 2015 Beijing | 800m (Men) | 1:45.55 | 8 | IRL | 2015-08-23 00:00:00 | Semi Final | 1157 | |
| World Championship 2015 Beijing | 800m (Men) | 1:46.69 | 12 | IRL | 2015-08-22 00:00:00 | Round 1 | 1122 | |
| World Indoor Championship 2022 Belgrade | 800m (Men) Indoors | 1:51.35 | 5 | IRL | 2022-03-18 00:00:00 | H2 | | |