| 42.19 | 4 | 53 East Hokkaido Competition | 25.01.2014 | Nemuro (JPN) |
| 42.68 | 6 | 39th Akan Junior Competition / 21th Akan Junior Sprint Championships | 09. - 10.01.2014 | Akan (JPN) |
| 42.78 | 6 | 39th Akan Junior Competition / 21th Akan Junior Sprint Championships | 09. - 10.01.2014 | Akan (JPN) |
| 41.49 | 15 | 44th Hokkaido Junior High School Competition | 27. - 28.12.2013 | Tomakomai (JPN) |
| 41.97 | 11 | 11th World Junior Championship 2003 Memorial | 07. - 08.12.2013 | Kushiro (JPN) |
| 42.18 | 3 | 2. Badge Test | 23.11.2013 | Kushiro (JPN) |
| 42.92 | 6 | 1. Badge Test | 16.11.2013 | Kushiro (JPN) |
| 42.37 | 72 | Obihiro Forest (mori) Competition | 02. - 03.11.2013 | Obihiro (JPN) |
| 44.20 | 14 | 10th Kushiro Final Meet | 23. - 24.02.2013 | Kushiro (JPN) |
| 44.98 | 8 | 52nd East Hokkaido Competition | 26. - 27.01.2013 | Kitami (JPN) |
| 43.60 | 6 | 35th Hokkaido Junior Games | 19. - 20.01.2013 | Akan (JPN) |
| 48.88 | 24 | 9th Kushiro Final Competition | 25. - 26.02.2012 | Kushiro (JPN) |
| 50.13 | 34 | 34th Hokkaido Junior Games | 14. - 15.01.2012 | Akan (JPN) |