| 41.38 | 4 | 9th Kushiro Final Competition | 25. - 26.02.2012 | Kushiro (JPN) |
| 40.23 | 20 | 32nd Japanese Inter-Junior High School Meeting | 30. - 31.01.2012 | Nagano (JPN) |
| 41.48 | 4 | 34th Hokkaido Junior Games | 14. - 15.01.2012 | Akan (JPN) |
| 40.66 | 15 | 42nd Hokkaido Junior High School Competition | 08. - 09.01.2012 | Kushiro (JPN) |
| 40.66 | 6 | 9th World Junior Championship 2003 Memorial | 10. - 11.12.2011 | Kushiro (JPN) |
| 41.38 | 4 | Badge Test Meeting 2 | 27.11.2011 | Kushiro (JPN) |
| 41.06 | 6 | Badge Test Meeting 1 | 20.11.2011 | Kushiro (JPN) |
| 40.47 | 59 | 2011 Obihiro Forest Competition | 05. - 06.11.2011 | Obihiro (JPN) |
| 40.57 | 30 | Time Trial | 23.10.2011 | Obihiro (JPN) |
| 41.69 | 9 | 8th Kushiro Final Competition | 26. - 27.02.2011 | Kushiro (JPN) |
| 42.21 | 15 | The 9th Japan－Korea Youth Winter Sports Exchange Program | 23.02.2011 | Tomakomai (JPN) |
| 40.54 | 7 | 50th East Hokkaido Competition | 05.02.2011 | Kushiro (JPN) |
| 40.69 | 21 | 41st Hokkaido Junior High School Meeting | 08. - 09.01.2011 | Obihiro (JPN) |
| 42.47 | 16 | 1.Testrennen | 21.11.2010 | Kushiro (JPN) |
| 41.59 | 60 | Obihiro Local Meeting | 06. - 07.11.2010 | Obihiro (JPN) |
| 41.94 | 27 | 3. Time Trial | 24.10.2010 | Obihiro (JPN) |
| 41.80 | 35 | 2. Time Trial | 26.09.2010 | Obihiro (JPN) |
| 42.72 | 7 | 28th New Member Conference | 28.02.2010 | Kushiro (JPN) |
| 43.46 | 16 | 17th Akan Junior Sprint Championship | 13. - 14.02.2010 | Akan (JPN) |
| 42.42 | 26 | 49th Northeast Coastal Highway Conference | 06.02.2010 | Obihiro (JPN) |
| 43.24 | 8 | 37th Akan Junior Conference | 16. - 17.01.2010 | Akan (JPN) |
| 42.05 | 18 | 40th Hokkaido Junior High School Skating Competition | 09. - 10.01.2010 | Kushiro (JPN) |
| 42.69 | 8 | 7th Hokkaido High School Meeting | 19. - 20.12.2009 | Kushiro (JPN) |
| 46.21 | 12 | 28th New Member Competition | 28.02.2009 | Kushiro (JPN) |
| 47.14 | 5 | 36th Akan Junior Speed Skating Conference | 13. - 14.01.2009 | Akan (JPN) |