38.20 | 6 | All Shinshu championships | 16. - 17.02.1999 | Nagano (JPN) |
38.89 | 33 | All Japan College Championships | 10. - 11.12.1998 | Shibukawa (JPN) |
39.70 | 22 | 70th Japanese Student Hikami Championship (Inter College Championships) | 05. - 07.01.1998 | Tomakomai (JPN) |
39.36 | 21 | 17th Japanese Student Championships | 12. - 13.12.1997 | Shibukawa (JPN) |
38.84 | 16 | All Japan Student Championships | 07. - 08.02.1997 | Shibukawa (JPN) |
38.72 | 3 | Hokkaido Student Games | 01. - 04.01.1997 | Karuizawa (JPN) |
39.23 | 8 | Japanese Junior Sprint Championships 1996 | 09. - 10.02.1996 | Okaya (JPN) |
39.30 | 1 | Nagano District Sprint Championships | 16. - 17.02.1995 | Karuizawa (JPN) |
40.42 | 18 | Japanese Junior Sprint Championships 1995 | 04. - 05.02.1995 | Morioka (JPN) |