| 43.57 | 39 | 22nd M-Wave Speed Skating Competition | 16. - 18.02.2024 | Nagano (JPN) |
| 43.92 | 24 | 44th National Junior High School Skating Tournament | 03. - 06.02.2024 | Nagano (JPN) |
| 46.03 | 6 | 62nd Karuizawa Skating Competition Junior High School Division | 20. - 21.01.2024 | Karuizawa (JPN) |
| 44.27 | 6 | 62nd Nagano Prefecture Junior High School Tournament | 04. - 05.01.2024 | Nagano (JPN) |
| 44.76 | 6 | 62nd Nagano Prefecture Junior High School Tournament | 04. - 05.01.2024 | Nagano (JPN) |
| 44.76 | 6 | 62nd Nagano Prefecture Junior High School Tournament | 04. - 05.01.2024 | Nagano (JPN) |
| 45.73 | 8 | 2023/2024 All Shinshu Speed Skating Championships | 17.12.2023 | Karuizawa (JPN) |
| 44.63 | 1 | 25th Nagano Prefecture Junior High School Competition Tohoku Shin Tournament | 09. - 10.12.2023 | Koumi (JPN) |
| 45.44 | 10 | 37th Nagano Prefecture High School/Junior High School Competition | 05. - 06.12.2023 | Karuizawa (JPN) |
| 44.60 | 48 | 21st M-Wave Speed Skating Competition | 17. - 19.02.2023 | Nagano (JPN) |
| 44.34 | 29 | 43rd National Junior High School Skating Tournament | 04. - 07.02.2023 | Nagano (JPN) |
| 45.62 | 6 | 61st Karuizawa Skating Competition Junior High School Division | 21. - 22.01.2023 | Karuizawa (JPN) |
| 45.75 | 6 | 61st Nagano Prefectural Junior High School Competition | 05. - 06.01.2023 | Nagano (JPN) |
| 48.36 | 27 | 2022/2023 All Shinshu Speed Skating Single Championships | 24. - 25.12.2022 | Okaya (JPN) |
| 47.30 | 2 | 72nd Lake Matsubara Skating Tournament | 10. - 11.12.2022 | Koumi (JPN) |
| 48.09 | 18 | 36th Nagano High School/Junior High School Speed Skating Competition | 06. - 07.12.2022 | Karuizawa (JPN) |
| 47.87 | 2 | 2021/2022 All Japan Nobis Speed Skating Competition Fujiyoshida Tournament | 22. - 23.01.2022 | Fujiyoshida (JPN) |