43.16 | 22 | Japanese Sprint Championships 1992 | 10. - 11.01.1992 | Fujiyoshida (JPN) |
43.96 | 8 | All Japan Industry Games | 20. - 21.12.1991 | Shibukawa (JPN) |
45.08 | 9 | 29th All Japan Industry Games | 21. - 22.12.1989 | Karuizawa (JPN) |
NC | - | 12th Iwate Sprint Championships | 18. - 19.02.1989 | Morioka (JPN) |
46.54 | 7 | 28th All Japan Industry Games | 21. - 22.12.1988 | Hachinohe (JPN) |
45.58 | 14 | 37th All Japan High-School Games | 23. - 24.01.1988 | Obihiro (JPN) |
46.46 | 34 | Japanese Junior Allround Championships 1988 | 13. - 14.01.1988 | Hachinohe (JPN) |