43.00 | 8 | 74th Japanese Student Hikami Championships | 07. - 09.01.2002 | Shibukawa (JPN) |
44.39 | 15 | 21st All Japan Student Championships | 20. - 21.12.2001 | Shibukawa (JPN) |
43.83 | 4 | 8th Nighter Seiko Oval Competitions | 01. - 03.12.2001 | Fujiyoshida (JPN) |
1:05.20 | 16 | All Japan Student Championships | 14. - 15.12.2000 | Shibukawa (JPN) |
44.37 | 22 | Obihiro Night Games | 17. - 19.11.2000 | Obihiro (JPN) |
44.74 | 19 | All Japan Student Championships 2000 | 09. - 10.12.1999 | Shibukawa (JPN) |
43.26 | 16 | Japanese Junior Sprint Championships 1999 | 13. - 14.01.1999 | Shibukawa (JPN) |
43.17 | 13 | 71st Inter-College Games | 07. - 09.01.1999 | Nikkō (JPN) |
43.56 | 11 | All Japan College Championships | 10. - 11.12.1998 | Shibukawa (JPN) |
43.85 | 12 | Japanese Junior Sprint Championships 1998 | 31.01. - 01.02.1998 | Hachinohe (JPN) |
44.10 | 16 | 47th Inter Highschool Games | 20. - 22.01.1998 | Kōriyama (JPN) |
44.80 | 17 | Nomori St. Obihiro Night Games | 15. - 16.11.1997 | Obihiro (JPN) |
43.46 | 18 | Japanese Junior Sprint Championships 1997 | 09. - 11.02.1997 | Fujiyoshida (JPN) |
44.77 | 7 | Inter High School Games | 21. - 23.01.1997 | Kushiro (JPN) |
44.14 | 17 | 45th All Japan Highschool Games 1996 | 21. - 23.01.1996 | Shibukawa (JPN) |
45.22 | 6 | All Japan Junior College Games | 08. - 09.02.1995 | Shibukawa (JPN) |
46.46 | 10 | All Japan Junior College Games | 05. - 06.02.1994 | Hachinohe (JPN) |