| 42.08 | 7 | 12th Kushiro Final Competition | 21. - 22.02.2015 | Kushiro (JPN) |
| 41.30 | 14 | 54th East Hokkaido Tournament | 31.01.2015 | Obihiro (JPN) |
| 42.21 | 10 | 12th World Junior Championships Memorial | 13. - 14.12.2014 | Kushiro (JPN) |
| 41.26 | 34 | 22nd Tomakomai Highland Competitions / Oji Paper Cup - Hokkaido Shimbun Press Cup | 22. - 23.11.2014 | Tomakomai (JPN) |
| 42.44 | 8 | 1st Badge Test | 15.11.2014 | Kushiro (JPN) |
| 41.27 | 64 | 2014 Obihiro Night Forest Games | 01. - 02.11.2014 | Obihiro (JPN) |
| 42.67 | 8 | 10th Kushiro Final Atlethic Meet | 22. - 23.02.2014 | Kushiro (JPN) |
| 43.25 | 21 | 42nd Hokkaido Sprint Championships | 14. - 16.02.2014 | Tomakomai (JPN) |
| 44.44 | 17 | 53 East Hokkaido Competition | 25.01.2014 | Nemuro (JPN) |
| 43.94 | 15 | 39th Akan Junior Competition / 21th Akan Junior Sprint Championships | 09. - 10.01.2014 | Akan (JPN) |
| 44.00 | 12 | 39th Akan Junior Competition / 21th Akan Junior Sprint Championships | 09. - 10.01.2014 | Akan (JPN) |
| 42.28 | 12 | 11th World Junior Championship 2003 Memorial | 07. - 08.12.2013 | Kushiro (JPN) |
| 42.72 | 8 | 2. Badge Test | 23.11.2013 | Kushiro (JPN) |
| 43.11 | 7 | 1. Badge Test | 16.11.2013 | Kushiro (JPN) |
| 42.13 | 71 | Obihiro Forest (mori) Competition | 02. - 03.11.2013 | Obihiro (JPN) |
| 42.58 | 40 | 2nd Time Trial | 19.10.2013 | Obihiro (JPN) |
| 43.87 | 12 | 10th Kushiro Final Meet | 23. - 24.02.2013 | Kushiro (JPN) |
| 42.12 | 56 | 41st Hokkaido Sprint Championships | 15. - 16.02.2013 | Obihiro (JPN) |
| 42.67 | 19 | 11th Korea-Japan Friendship Competition | 24. - 25.01.2013 | Seoul (KOR) |
| 44.53 | 16 | 10th World Junior Championship 2003 Memorial - Hokkaido Jhs And Es Competition | 08. - 09.12.2012 | Kushiro (JPN) |
| 43.62 | 56 | 2nd Time Trial | 20.10.2012 | Obihiro (JPN) |
| 45.90 | 13 | 34th Hokkaido Junior Games | 14. - 15.01.2012 | Akan (JPN) |
| 45.83 | 26 | 9th World Junior Championship 2003 Memorial | 10. - 11.12.2011 | Kushiro (JPN) |