| 44.23 | 7 | 47th Hokkaido JHS Competition | 07. - 08.01.2017 | Kushiro (JPN) |
| 45.74 | 11 | 61st Akan Championship | 27. - 28.12.2016 | Akan (JPN) |
| 44.56 | 7 | 63rd Tokachi Middle School Championship | 03. - 04.12.2016 | Obihiro (JPN) |
| 45.27 | 18 | 2nd Time Trial | 19.11.2016 | Obihiro (JPN) |
| 44.74 | 50 | 2016 Obihiro Mori (Forest) Competition | 04. - 06.11.2016 | Obihiro (JPN) |
| 46.05 | 33 | 1st Time Trial | 15.10.2016 | Obihiro (JPN) |
| 47.18 | 53 | Meiji Hokkaido Tokachi Oval Competitions | 10. - 11.09.2016 | Obihiro (JPN) |
| 43.67 | 28 | 44th Hokkaido Sprint Championships | 19. - 20.02.2016 | Obihiro (JPN) |
| 43.57 | 14 | 36th National Junior High School Competitions | 01. - 02.02.2016 | Nagano (JPN) |
| 47.66 | 9 | 38th Hokkaido Shonendan Competitions | 16. - 17.01.2016 | Akan (JPN) |
| 45.43 | 9 | 46th Hokkaido Junior High School Competition | 09. - 10.01.2016 | Tomakomai (JPN) |
| 44.78 | 6 | 62nd All Tokachi Junior High School Championships | 05. - 06.12.2015 | Obihiro (JPN) |
| 45.34 | 28 | 2nd Time Trial | 21.11.2015 | Obihiro (JPN) |
| 47.65 | 64 | Obihiro Forest Competition | 07. - 08.11.2015 | Obihiro (JPN) |
| 48.85 | 11 | 12th Kushiro Final Competition | 21. - 22.02.2015 | Kushiro (JPN) |
| 47.22 | 23 | 45th Hokkaido Junior High School Competition | 11. - 12.01.2015 | Sapporo (JPN) |
| 46.95 | 12 | 3rd Time Trials | 22.11.2014 | Obihiro (JPN) |
| NC | - | 2014 Obihiro Night Forest Games | 01. - 02.11.2014 | Obihiro (JPN) |
| 49.88 | 16 | 39th Akan Junior Competition / 21th Akan Junior Sprint Championships | 09. - 10.01.2014 | Akan (JPN) |
| 52.17 | 32 | 35th Hokkaido Junior Games | 19. - 20.01.2013 | Akan (JPN) |