| 50.74 | 39 | 57th Japanese High School Meisterschaften | 21. - 24.01.2008 | Fujiyoshida (JPN) |
| 51.59 | 4 | 34th Aomori Prefecture Sprint Championship | 28. - 29.12.2007 | Hachinohe (JPN) |
| 51.52 | 6 | 19th Northeast High School Championship | 22. - 24.12.2007 | Yamagata (JPN) |
| 52.62 | 1 | 60th Aomori Prefecture High School Championship | 12. - 13.12.2007 | Hachinohe (JPN) |
| DNS | - | 41st Aomori Prefecture Selection | 04. - 05.12.2007 | Hachinohe (JPN) |
| 50.62 | 2 | 48th Aomori Prefecture High School Skating Competition | 16. - 17.02.2007 | Hachinohe (JPN) |
| 51.89 | 46 | 56th Japanese High School Meisterschaften | 21. - 25.01.2007 | Nikkō (JPN) |
| 52.99 | 2 | 47th Aomori Hs Shinjin | 10. - 11.02.2006 | Hachinohe (JPN) |
| 52.60 | 45 | 55th Nationwide High School Skating Championship Conference | 23. - 26.01.2006 | Tomakomai (JPN) |
| 51.92 | 15 | 24th Aomori Junior Sprint Ch.hips | 21. - 22.01.2005 | Hachinohe (JPN) |
| 52.76 | 4 | 55th Aomori Jhs Wam | 09.01.2005 | Hachinohe (JPN) |
| 52.81 | 4 | 28th Hachinohe JHS Meeting | 12.12.2004 | Hachinohe (JPN) |
| 52.76 | 9 | 38th Aomori Selection | 03. - 04.12.2004 | Hachinohe (JPN) |
| 52.31 | 20 | 7th Jpn-Kor Youth Match | 26.02.2004 | Hachinohe (JPN) |
| 52.69 | 2 | Aomori Jhs Shinjin | 14.02.2004 | Hachinohe (JPN) |
| 53.12 | 4 | Aomori Jhs Wam | 07.01.2004 | Hachinohe (JPN) |
| 54.63 | 15 | Aomori Sprint Championships | 03. - 04.01.2004 | Hachinohe (JPN) |
| 52.87 | 3 | Tohoku Championships 2003 | 21. - 23.12.2003 | Yamagata (JPN) |
| 53.19 | 2 | Tohoku Selection | 10.12.2003 | Hachinohe (JPN) |
| 52.71 | 2 | Aomori JHS Competition | 15.02.2003 | Hachinohe (JPN) |
| 56.36 | 18 | 29th Aomori Sprint Ch.ships | 14. - 15.01.2003 | Hachinohe (JPN) |
| 55.39 | 6 | Hachinohe Jhs Wam | 08.01.2003 | Hachinohe (JPN) |
| 1:00.06 | 7 | Aomori JHS Competition | 11.12.2002 | Hachinohe (JPN) |
| 55.44 | 4 | Aomori Tomakomai Competition | 09.02.2002 | Hachinohe (JPN) |