| Olympic Games 2024 Paris | 400m (Men) | DNS | | JPN | 2024-08-05 00:00:00 | Repechage1 | | |
| Olympic Games 2024 Paris | 400m (Men) | 46.13 | 6 | JPN | 2024-08-04 00:00:00 | H6 | | |
| Asian Games 2023 Hangzhou | 400m (Men) | 45.70 | 4 | JPN | 2023-09-30 00:00:00 | FINAL | | |
| Asian Games 2023 Hangzhou | 400m (Men) | 45.56 | 1 | JPN | 2023-09-29 00:00:00 | H3 | | |
| World Championship 2023 Budapest | 400m (Men) | 44.88 | 4 | JPN | 2023-08-22 00:00:00 | SF2 | | PB |
| World Championship 2023 Budapest | 400m (Men) | 44.97 | 2 | JPN | 2023-08-20 00:00:00 | H4 | | PB |
| World Championship 2022 Oregon | 400m (Men) | 45.71 | 5 | JPN | 2022-07-20 00:00:00 | SF2 | | |
| World Championship 2022 Oregon | 400m (Men) | 45.88 | 4 | JPN | 2022-07-17 00:00:00 | H5 | | |