44.37 | 20 | Inter High School Championships | 22. - 24.01.2002 | Obihiro (JPN) |
44.34 | 20 | Inter Highschool Championships | 23. - 25.01.2001 | Fujiyoshida (JPN) |
43.69 | 26 | Japanese Junior Championships 2001 | 13. - 14.01.2001 | Chikuma (JPN) |
44.10 | 10 | Nagano Hs/jhs Speed Skating Comp | 05. - 06.12.2000 | Matsumoto (JPN) |
45.45 | 6 | Nagano Highschool Ch.ships | 21. - 22.02.2000 | Koumi (JPN) |
45.33 | 10 | 13th Nagano Prefecture Sprint Championships | 11. - 12.02.2000 | Okaya (JPN) |
46.04 | 8 | Nagano Inter Highschool Ch.ships | 17. - 18.12.1999 | Okaya (JPN) |
46.09 | 6 | The 37th Nagano-Ken Junior College Competition | 07. - 08.01.1999 | Chikuma (JPN) |