| 44.34 | 54 | 68th National High School Championships | 23. - 26.01.2019 | Kōriyama (JPN) |
| 44.28 | 5 | 66th Gifu Prefecture High School Newcomer Competition | 07.01.2019 | Ena (JPN) |
| 45.25 | 5 | The 66th Gifu Prefectural High School Competition | 14. - 15.12.2018 | Ena (JPN) |
| 45.33 | 59 | 67th High School Championship | 23. - 25.01.2018 | Fujiyoshida (JPN) |
| 47.48 | 4 | Tono District HS Competition | 13.12.2017 | Ena (JPN) |
| 48.02 | 6 | High School Gifu Prefecture Qualifier | 01. - 02.12.2017 | Ena (JPN) |
| 55.06 | 4 | Gifu Prefecture Tōnō Region HS Competition | 14.12.2016 | Ena (JPN) |
| 1:02.11 | 4 | Gifu Prefecture HS Qualification | 05. - 06.12.2016 | Ena (JPN) |