| SEA Games Cambodia 2023 | 400m (Men) | 47.43 | 4 | VIE | 2023-05-09 00:00:00 | H2 | | |
| SEA Games Cambodia 2023 | 400m (Men) | 61.20 | 8 | VIE | 2023-05-09 00:00:00 | FINAL | | |
| SEA Games 2019 | 400m (Men) | 46.68 | 2 | VIE | 2019-12-08 00:00:00 | FINAL | | |
| SEA Games 2019 | 400m (Men) | 46.92 | 1 | VIE | 2019-12-08 00:00:00 | H1 | | |
| Asian Grand Prix Series2 2019-S2 | 400m (Men) | 46.86 | 3 | VIE | 2019-07-06 00:00:00 | FINAL | | |
| Asian Grand Prix Series1 2019-S1 | 400m (Men) | 46.55 | 3 | VIE | 2019-04-06 00:00:00 | FINAL | | |
| Asian Games 2018 Indonesia | 400m (Men) | 46.96 | 6 | VIE | 2018-08-25 00:00:00 | SF2 | 1048 | |
| Asian Games 2018 Indonesia | 400m (Men) | 48.97 | 4 | VIE | 2018-08-25 00:00:00 | H5 | 920 | |