| 45.84 | 23 | 55th Nationwide High School Skating Championship Conference | 23. - 26.01.2006 | Tomakomai (JPN) |
| 44.89 | 5 | 11th Yamanashi High School Ch.ships | 05. - 06.02.2005 | Fujiyoshida (JPN) |
| 44.21 | 1 | Ikaho Competition | 04. - 05.12.2004 | Shibukawa (JPN) |
| NC | - | Gunma Sprint Championships | 13. - 14.02.2004 | Shibukawa (JPN) |
| 43.57 | 1 | Gunma Junior Competition | 12.02.2004 | Shibukawa (JPN) |
| 44.49 | 3 | 38th gunma prefecture high school championships | 06. - 07.01.2004 | Shibukawa (JPN) |
| 43.46 | 3 | 22nd gunma prefecture sprint championship | 14. - 15.02.2003 | Shibukawa (JPN) |
| 46.00 | 17 | 23rd Inter Junior Highschool Winter Meet | 09. - 11.02.2003 | Obihiro (JPN) |
| 44.82 | 3 | Gunma JHS/HS Competition | 28. - 29.12.2002 | Shibukawa (JPN) |
| 44.04 | 1 | Gunma Prefecture High School Junior High School New Member | 13.02.2002 | Shibukawa (JPN) |
| 47.52 | 12 | Gunma Selection | 22. - 23.12.2000 | Shibukawa (JPN) |