| SEA Games Cambodia 2023 | 400m (Women) | 53.27 | 2 | VIE | 2023-05-09 00:00:00 | FINAL | | |
| Asian Grand Prix Series2 2019-S2 | 400m (Women) | 53.42 | 4 | VIE | 2019-07-06 00:00:00 | FINAL | | |
| Asian Athletics Championship 2019 Doha | 400m (Women) | 54.64 | 5 | VIE | 2019-04-21 00:00:00 | H1 | | SB |
| Asian Grand Prix Series1 2019-S1 | 400m (Women) | 53.29 | 3 | VIE | 2019-04-06 00:00:00 | FINAL | | |
| Asian Games 2018 Indonesia | 400m (Women) | 54.30 | 8 | VIE | 2018-08-26 00:00:00 | FINAL | 1039 | PB |
| Asian Games 2018 Indonesia | 400m (Women) | 54.99 | 3 | VIE | 2018-08-25 00:00:00 | H2 | 1013 | |
| Taiwan Open 2018 | 400m (Women) | 55.03 | 2 | VIE | 2018-05-25 00:00:00 | FINAL | 1012 | |
| Taiwan Open 2018 | 400m (Women) | 55.22 | 1 | VIE | 2018-05-25 00:00:00 | H1 | 1005 | |