| 42.13 | 8 | 12th World Junior Championships Memorial | 13. - 14.12.2014 | Kushiro (JPN) |
| 42.02 | 4 | 2nd Badge Test | 22.11.2014 | Kushiro (JPN) |
| 43.03 | 10 | 1st Badge Test | 15.11.2014 | Kushiro (JPN) |
| 42.18 | 66 | 2014 Obihiro Night Forest Games | 01. - 02.11.2014 | Obihiro (JPN) |
| 42.70 | 45 | 2nd Time Trial | 18.10.2014 | Obihiro (JPN) |
| 43.70 | 11 | 10th Kushiro Final Atlethic Meet | 22. - 23.02.2014 | Kushiro (JPN) |
| 42.74 | 7 | 39th Akan Junior Competition / 21th Akan Junior Sprint Championships | 09. - 10.01.2014 | Akan (JPN) |
| 43.22 | 8 | 39th Akan Junior Competition / 21th Akan Junior Sprint Championships | 09. - 10.01.2014 | Akan (JPN) |
| 43.60 | 28 | 58th Akan Speed Skating Championships | 06. - 07.01.2014 | Akan (JPN) |
| 41.75 | 9 | 11th World Junior Championship 2003 Memorial | 07. - 08.12.2013 | Kushiro (JPN) |
| 42.52 | 6 | 2. Badge Test | 23.11.2013 | Kushiro (JPN) |
| 42.72 | 73 | Obihiro Forest (mori) Competition | 02. - 03.11.2013 | Obihiro (JPN) |
| 42.42 | 39 | 2nd Time Trial | 19.10.2013 | Obihiro (JPN) |
| 44.53 | 17 | 10th Kushiro Final Meet | 23. - 24.02.2013 | Kushiro (JPN) |
| 42.91 | 62 | 41st Hokkaido Sprint Championships | 15. - 16.02.2013 | Obihiro (JPN) |
| 45.80 | 4 | 20th Akan Junior Sprint Championships | 02. - 03.02.2013 | Akan (JPN) |
| 46.25 | 13 | 52nd East Hokkaido Competition | 26. - 27.01.2013 | Kitami (JPN) |
| 45.68 | 12 | 35th Hokkaido Junior Games | 19. - 20.01.2013 | Akan (JPN) |
| 45.88 | 62 | 2nd Time Trial | 20.10.2012 | Obihiro (JPN) |
| 47.81 | 8 | 19th Akan Junior Sprint Championships | 04. - 05.02.2012 | Akan (JPN) |
| 48.39 | 29 | 34th Hokkaido Junior Games | 14. - 15.01.2012 | Akan (JPN) |
| 50.84 | 38 | 9th World Junior Championship 2003 Memorial | 10. - 11.12.2011 | Kushiro (JPN) |
| 53.65 | 10 | 18th Akan Junior Sprint Championships | 04. - 06.02.2011 | Akan (JPN) |