| 42.57 | 31 | 22nd M-Wave Speed Skating Competition | 16. - 18.02.2024 | Nagano (JPN) |
| 43.51 | 14 | 73rd National High School Skating Championships | 18. - 21.01.2024 | Ena (JPN) |
| 43.35 | 4 | 2023/2024 All Shinshu Speed Skating Championships | 17.12.2023 | Karuizawa (JPN) |
| 43.10 | 5 | 68th Nagano Prefecture High School Competition | 12. - 13.12.2023 | Nagano (JPN) |
| 43.48 | 6 | 68th Nagano Prefecture High School Competition | 12. - 13.12.2023 | Nagano (JPN) |
| 43.48 | 6 | 68th Nagano Prefecture High School Competition | 12. - 13.12.2023 | Nagano (JPN) |
| 43.46 | 8 | 37th Nagano Prefecture High School/Junior High School Competition | 05. - 06.12.2023 | Karuizawa (JPN) |
| 43.78 | 24 | 2023' Nagane Summer Speed Skating Competition | 26. - 27.08.2023 | Hachinohe (JPN) |
| 43.17 | 17 | 13th National High School Selection | 25. - 26.02.2023 | Obihiro (JPN) |
| 43.03 | 36 | 21st M-Wave Speed Skating Competition | 17. - 19.02.2023 | Nagano (JPN) |
| 43.03 | 6 | 43rd Nagano Prefectural High School Tournament | 17. - 19.02.2023 | Nagano (JPN) |
| 44.01 | 18 | 72nd National High School Skating Championships | 21. - 22.01.2023 | Shibukawa (JPN) |
| 43.56 | 39 | Japan - Junior Championships 2023 | 13. - 15.01.2023 | Karuizawa (JPN) |
| 45.28 | 15 | 2022/2023 All Shinshu Speed Skating Single Championships | 24. - 25.12.2022 | Okaya (JPN) |
| 44.15 | 10 | 67th Nagano Prefectural High School Meeting | 13. - 14.12.2022 | Nagano (JPN) |
| 43.95 | 26 | 2022’ Nagane Summer Speed Skating Competition | 20. - 21.08.2022 | Hachinohe (JPN) |
| 43.54 | 37 | 20th M-Wave Speed Skating Competition | 11. - 13.02.2022 | Nagano (JPN) |
| 43.82 | 31 | 71st National High School Skating Championships | 18. - 21.01.2022 | Hachinohe (JPN) |
| 44.98 | 7 | 35th Nagano Prefecture Sprint Speed Skating Championships | 09. - 10.01.2022 | Koumi (JPN) |
| 44.54 | 9 | 66th Nagano Prefectural High School Meeting | 15. - 16.12.2021 | Nagano (JPN) |
| 44.81 | 13 | 35th Nagano Prefectural High School / Junior High School Selection | 30.11. - 01.12.2021 | Karuizawa (JPN) |
| 44.78 | 29 | 19th M-Wave Speed Skating Competition | 11. - 14.02.2021 | Nagano (JPN) |
| 45.48 | 8 | 59th Nagano Junior High School Competition | 06. - 07.01.2021 | Nagano (JPN) |
| 45.71 | 14 | 34th Nagano Prefecture Sprint Championships | 19. - 20.12.2020 | Chikuma (JPN) |
| 48.19 | 6 | 22nd Nagano Junior High School Competition (Chunanshin Tournament) | 12. - 13.12.2020 | Okaya (JPN) |
| 45.13 | 16 | 34th Nagano Prefectural High School / Junior High School Selection | 08. - 09.12.2020 | Karuizawa (JPN) |
| 44.19 | 58 | 18th M Wave Speed Skating Competition | 07. - 09.02.2020 | Nagano (JPN) |
| 44.93 | 22 | 40th National Junior High School Skating Competition | 03. - 04.02.2020 | Nagano (JPN) |
| 46.29 | 12 | 58th Karuizawa Junior High School Competition | 18. - 19.01.2020 | Karuizawa (JPN) |
| 45.65 | 9 | 58th Nagano Junior High School Competition | 06. - 07.01.2020 | Nagano (JPN) |
| 46.60 | 8 | 21st Nagano Nakashin Junior High School Competition | 14. - 15.12.2019 | Chikuma (JPN) |
| 46.29 | 17 | 33rd Nagano Prefectural High And Junior High School Speed Skate Competition | 10. - 11.12.2019 | Karuizawa (JPN) |
| 46.30 | 16 | 33rd Nagano Sprint Speed Skating Championships | 29. - 30.11.2019 | Karuizawa (JPN) |
| 45.22 | 66 | 17th M-Wave Competition | 15. - 17.02.2019 | Nagano (JPN) |
| 49.24 | 20 | Karuizawa Winter Festival 2019 | 19. - 20.01.2019 | Karuizawa (JPN) |
| 46.27 | 11 | 57th Nagano Prefecture Junior High School Competition | 06. - 07.01.2019 | Nagano (JPN) |
| 47.87 | 19 | 32nd Nagano Prefecture Sprint Speed Skating Championship | 29. - 30.12.2018 | Okaya (JPN) |
| 47.43 | 20 | 25th Seiko Oval Speed Skate Night Competition | 15. - 16.12.2018 | Fujiyoshida (JPN) |
| 52.12 | 14 | 29th LCV Cup Chino Super Sprint Championship | 04.02.2018 | Chikuma (JPN) |