| 41.87 | 82 | 22nd M-Wave Speed Skating Competition | 16. - 18.02.2024 | Nagano (JPN) |
| 42.69 | 50 | 44th National Junior High School Skating Tournament | 03. - 06.02.2024 | Nagano (JPN) |
| 46.79 | 16 | 62nd Karuizawa Skating Competition Junior High School Division | 20. - 21.01.2024 | Karuizawa (JPN) |
| 49.42 | 18 | 62nd Nagano Prefecture Junior High School Tournament | 04. - 05.01.2024 | Nagano (JPN) |
| 49.42 | 18 | 62nd Nagano Prefecture Junior High School Tournament | 04. - 05.01.2024 | Nagano (JPN) |
| WDR | - | 25th Nagano Prefecture Junior High School Competition Tohoku Shin Tournament | 09. - 10.12.2023 | Koumi (JPN) |
| 42.82 | 98 | 21st M-Wave Speed Skating Competition | 17. - 19.02.2023 | Nagano (JPN) |
| 45.59 | 14 | 61st Karuizawa Skating Competition Junior High School Division | 21. - 22.01.2023 | Karuizawa (JPN) |
| 43.42 | 10 | 61st Nagano Prefectural Junior High School Competition | 05. - 06.01.2023 | Nagano (JPN) |
| 45.38 | 34 | 2022/2023 All Shinshu Speed Skating Single Championships | 24. - 25.12.2022 | Okaya (JPN) |
| 46.23 | 8 | 72nd Lake Matsubara Skating Tournament | 10. - 11.12.2022 | Koumi (JPN) |
| 45.56 | 92 | 20th M-Wave Speed Skating Competition | 11. - 13.02.2022 | Nagano (JPN) |
| 45.62 | 55 | 42nd National Junior High School Skating Tournament | 29.01. - 01.02.2022 | Nagano (JPN) |
| 47.16 | 14 | 60th Karuizawa Skating Competition (Junior High School) | 15. - 16.01.2022 | Karuizawa (JPN) |
| 48.57 | 19 | 35th Nagano Prefecture Sprint Speed Skating Championships | 09. - 10.01.2022 | Koumi (JPN) |
| 47.93 | 17 | 60th Nagano Prefectural Junior High School Competition | 06. - 07.01.2022 | Nagano (JPN) |
| 49.89 | 24 | 17th Yamanashi Prefecture Speed Skating Distance Competition | 25. - 26.12.2021 | Fujiyoshida (JPN) |
| 49.63 | 6 | 23rd Nagano Junior High School Competition Tohoku Shin Tournament | 11. - 12.12.2021 | Koumi (JPN) |