| 45.31 | 68 | 17th M-Wave Competition | 15. - 17.02.2019 | Nagano (JPN) |
| 45.23 | 6 | Karuizawa Winter Festival 2019 | 19. - 20.01.2019 | Karuizawa (JPN) |
| 44.54 | 7 | 57th Nagano Prefecture Junior High School Competition | 06. - 07.01.2019 | Nagano (JPN) |
| 46.52 | 16 | 32nd Nagano Prefecture Sprint Speed Skating Championship | 29. - 30.12.2018 | Okaya (JPN) |
| 47.45 | 2 | 20th Nagano Prefecture Middle School Competition | 08. - 09.12.2018 | Koumi (JPN) |
| 46.01 | 20 | 32nd Nagano Prefecture High School Secondary School Selection | 04. - 05.12.2018 | Karuizawa (JPN) |
| 46.83 | 65 | 16th M-Wave Competition | 16. - 18.02.2018 | Nagano (JPN) |
| 47.37 | 27 | 16th Japan-Korea Youth Exchange Competition | 16.02.2018 | Nagano (JPN) |
| 49.97 | 23 | 56th Karuizawa JHS Competition | 20. - 21.01.2018 | Karuizawa (JPN) |
| 47.78 | 17 | 56th Nagano Prefecture JHS Competition | 05. - 06.01.2018 | Nagano (JPN) |
| 47.78 | 5 | 19th Nagano Prefecture Tohoku District JHS Competition | 09. - 10.12.2017 | Koumi (JPN) |
| 48.24 | 5 | 19th Nagano Prefecture Tohoku District JHS Competition | 09. - 10.12.2017 | Koumi (JPN) |
| 46.62 | 28 | 31st Nagano Prefecture HS Selection | 05. - 06.12.2017 | Karuizawa (JPN) |
| 47.98 | 26 | 31st Nagano Prefecture HS Selection | 05. - 06.12.2017 | Karuizawa (JPN) |
| 48.26 | 18 | 24th Seiko Oval Night Competition | 25. - 26.11.2017 | Fujiyoshida (JPN) |
| 46.97 | 69 | 15th M-Wave Competition | 17. - 19.02.2017 | Nagano (JPN) |
| 51.04 | 15 | 55th Karuizawa JHS Competition | 14. - 15.01.2017 | Karuizawa (JPN) |
| 48.28 | 15 | 55th Nagano Prefecture JHS Competition | 06. - 07.01.2017 | Nagano (JPN) |
| 48.65 | 25 | 30th Nagano Prefecture Sprint Championship | 24. - 25.12.2016 | Chikuma (JPN) |
| 50.72 | 7 | 18th Nagano Prefecture (Northeast) JHS Competition | 10. - 11.12.2016 | Koumi (JPN) |
| 48.94 | 26 | 30th Nagano Prefecture HS And JHS Selection | 06. - 07.12.2016 | Karuizawa (JPN) |
| 48.49 | 16 | 23rd Seiko Oval Night Competition | 03. - 04.12.2016 | Fujiyoshida (JPN) |