54.25 | 7 | Japanese Masters Championships 2020 | 18. - 19.01.2020 | Shibukawa (JPN) |
59.57 | 8 | Japanese Masters Championships 2018 | 13. - 14.01.2018 | Ena (JPN) |
48.23 | 2 | Japanese Masters Championships 2017 | 14. - 15.01.2017 | Kōriyama (JPN) |
49.08 | 2 | Japanese Masters Championships 2016 | 16. - 17.01.2016 | Fujiyoshida (JPN) |
50.92 | 18 | Japanese Masters Championships 2015 | 14. - 15.02.2015 | Hachinohe (JPN) |
49.48 | 7 | Japanese Masters Championships 2014 | 08. - 09.02.2014 | Obihiro (JPN) |
46.50 | 7 | 49th Japan Student Games | 06. - 08.01.1977 | Nikkō (JPN) |