| 41.64 | 16 | 54th East Hokkaido Tournament | 31.01.2015 | Obihiro (JPN) |
| 43.40 | 14 | 53 East Hokkaido Competition | 25.01.2014 | Nemuro (JPN) |
| 40.68 | 41 | 41st Hokkaido Sprint Championships | 15. - 16.02.2013 | Obihiro (JPN) |
| 42.21 | 1 | 52nd East Hokkaido Competition | 26. - 27.01.2013 | Kitami (JPN) |
| 41.06 | 3 | 35th Hokkaido Junior Games | 19. - 20.01.2013 | Akan (JPN) |
| 40.21 | 13 | 43rd Hokkaido Junior High School Competition | 12. - 13.01.2013 | Obihiro (JPN) |
| 42.63 | 8 | Badge Test Meeting 2 | 24.11.2012 | Kushiro (JPN) |
| 42.34 | 6 | Badge Test Meeting 1 | 17.11.2012 | Kushiro (JPN) |
| 41.47 | 47 | 2nd Time Trial | 20.10.2012 | Obihiro (JPN) |
| 43.92 | 10 | 9th Kushiro Final Competition | 25. - 26.02.2012 | Kushiro (JPN) |
| 43.45 | 4 | 19th Akan Junior Sprint Championships | 04. - 05.02.2012 | Akan (JPN) |
| 43.26 | 6 | 34th Hokkaido Junior Games | 14. - 15.01.2012 | Akan (JPN) |
| 43.83 | 12 | 9th World Junior Championship 2003 Memorial | 10. - 11.12.2011 | Kushiro (JPN) |
| 43.95 | 10 | Badge Test Meeting 2 | 27.11.2011 | Kushiro (JPN) |
| 43.57 | 12 | Badge Test Meeting 1 | 20.11.2011 | Kushiro (JPN) |
| 44.44 | 16 | 8th Kushiro Final Competition | 26. - 27.02.2011 | Kushiro (JPN) |
| 43.65 | 20 | 50th East Hokkaido Competition | 05.02.2011 | Kushiro (JPN) |
| 47.46 | 11 | 28th New Member Conference | 28.02.2010 | Kushiro (JPN) |
| 49.22 | 9 | 37th Akan Junior Conference | 16. - 17.01.2010 | Akan (JPN) |