| 43.95 | 10 | 63rd Karuizawa Junior High School Competition | 18. - 19.01.2025 | Karuizawa (JPN) |
| 43.62 | 10 | 63rd Nagano Prefectural Junior High School Competition | 06. - 07.01.2025 | Nagano (JPN) |
| WDR | - | 2024/25 All-Shinshu Speed Skating Championships | 21. - 22.12.2024 | Chikuma (JPN) |
| 43.53 | 91 | 22nd M-Wave Speed Skating Competition | 16. - 18.02.2024 | Nagano (JPN) |
| 43.91 | 56 | 44th National Junior High School Skating Tournament | 03. - 06.02.2024 | Nagano (JPN) |
| 46.02 | 15 | 62nd Karuizawa Skating Competition Junior High School Division | 20. - 21.01.2024 | Karuizawa (JPN) |
| 46.60 | 15 | 62nd Nagano Prefecture Junior High School Tournament | 04. - 05.01.2024 | Nagano (JPN) |
| 47.44 | 15 | 62nd Nagano Prefecture Junior High School Tournament | 04. - 05.01.2024 | Nagano (JPN) |
| 47.44 | 15 | 62nd Nagano Prefecture Junior High School Tournament | 04. - 05.01.2024 | Nagano (JPN) |
| 47.36 | 14 | 2023/2024 All Shinshu Speed Skating Championships | 17.12.2023 | Karuizawa (JPN) |
| 1:00.06 | 6 | 25th Nagano Prefecture Junior High School Competition Tohoku Shin Tournament | 09. - 10.12.2023 | Koumi (JPN) |
| 46.04 | 104 | 21st M-Wave Speed Skating Competition | 17. - 19.02.2023 | Nagano (JPN) |
| 49.89 | 18 | 61st Karuizawa Skating Competition Junior High School Division | 21. - 22.01.2023 | Karuizawa (JPN) |
| NC | - | 61st Nagano Prefectural Junior High School Competition | 05. - 06.01.2023 | Nagano (JPN) |
| 51.89 | 42 | 2022/2023 All Shinshu Speed Skating Single Championships | 24. - 25.12.2022 | Okaya (JPN) |
| 50.63 | 12 | 72nd Lake Matsubara Skating Tournament | 10. - 11.12.2022 | Koumi (JPN) |