| SEA Games 2021 | 400m (Men) | DNS | 5 | THA | 2022-05-15 00:00:00 | H1 | | |
| SEA Games 2019 | 400m (Men) | 46.98 | 3 | THA | 2019-12-08 00:00:00 | FINAL | | |
| SEA Games 2019 | 400m (Men) | 47.43 | 2 | THA | 2019-12-08 00:00:00 | H2 | | |
| World University Games 2019 Napoli | 400m (Men) | 47.38 | 7 | THA | 2019-07-09 00:00:00 | SF3 | | |
| World University Games 2019 Napoli | 400m (Men) | 47.83 | 3 | THA | 2019-07-08 00:00:00 | H7 | | |
| Asian Athletics Championship 2019 Doha | 400m (Men) | 47.15 | 6 | THA | 2019-04-21 00:00:00 | SF2 | | |
| Asian Athletics Championship 2019 Doha | 400m (Men) | 47.31 | 5 | THA | 2019-04-21 00:00:00 | H2 | | |
| Asian Games 2018 Indonesia | 400m (Men) | 48.97 | 8 | THA | 2018-08-25 00:00:00 | SF1 | 920 | |
| Asian Games 2018 Indonesia | 400m (Men) | 49.71 | 4 | THA | 2018-08-25 00:00:00 | H2 | 875 | |
| SEA Games 2017 | 400m (Men) | 46.46 | 2 | THA | 2017-08-22 00:00:00 | FINAL | 1081 | |
| SEA Games 2017 | 400m (Men) | 47.63 | 2 | THA | 2017-08-22 00:00:00 | SF1 | 1004 | |
| ASEAN School Games 2017 | 400m (Men) | 46.87 | 1 | THA | 2017-07-16 00:00:00 | FINAL | 1054 | |
| Singapore Open 2017 | 400m (Men) | 47.80 | 1 | THA | 2017-04-29 00:00:00 | FINAL | 993 | |
| Singapore Open 2017 | 400m (Men) | 51.58 | 1 | THA | 2017-04-28 00:00:00 | H2 | 767 | |