| 42.71 | 23 | 2025 Michinoku Speed Skating Tournament | 25. - 26.10.2025 | Hachinohe (JPN) |
| WDR | - | Aomori Prefectural Speed Skating Competition | 20. - 21.09.2025 | Hachinohe (JPN) |
| 42.44 | 49 | 2025 Nagane Summer Speed Skating Tournament | 23. - 24.08.2025 | Hachinohe (JPN) |
| 42.28 | 5 | 2025' Nagane Winter Speed Skating Competition | 15. - 16.02.2025 | Hachinohe (JPN) |
| 41.86 | 43 | 45th National Junior High School Skating Tournament | 01. - 04.02.2025 | Nagano (JPN) |
| 42.74 | 5 | 44th Aomori Prefecture Junior Sprint Championships | 28. - 29.12.2024 | Hachinohe (JPN) |
| 46.25 | 4 | 46th Tohoku Junior High School Skating | 21. - 22.12.2024 | Kōriyama (JPN) |
| 42.39 | 3 | 75th Aomori Prefectural Junior High School Championships | 30.11. - 01.12.2024 | Hachinohe (JPN) |
| 43.81 | 17 | 2024 Michinoku Speed Skating Competition | 26. - 27.10.2024 | Hachinohe (JPN) |
| 43.93 | 5 | Southern Regional Junior High School Skating Tournament | 28. - 29.09.2024 | Hachinohe (JPN) |
| 45.73 | 60 | 2024' Nagane Summer Speed Skating Competition | 24. - 25.08.2024 | Hachinohe (JPN) |
| 45.31 | 6 | 43rd Aomori Prefecture Junior High Sprint Championship | 17. - 18.02.2024 | Hachinohe (JPN) |
| 45.63 | 1 | 48th Aomori Prefecture vs. Tochigi Prefecture Elementary School Tournament | 03.02.2024 | Nikkō (JPN) |
| 46.19 | 2 | 11th Nagane Elementary School Speed Skating Competition | 20.01.2024 | Hachinohe (JPN) |
| 47.73 | 47 | 2023' Nagane Summer Speed Skating Competition | 26. - 27.08.2023 | Hachinohe (JPN) |
| 48.21 | 9 | 42nd Aomori Prefecture Junior Sprint Championship | 18. - 19.02.2023 | Hachinohe (JPN) |
| 49.07 | 2 | 10th Nagane Elementary School Competition/47th Aomori Prefecture vs. Tochigi Elementary | 11.02.2023 | Hachinohe (JPN) |
| 1:04.07 | 20 | 29th Nagane Gold Sprint | 07. - 08.01.2023 | Hachinohe (JPN) |
| 50.75 | 42 | 2022’ Michinoku Speed Skating Competition | 01. - 02.10.2022 | Hachinohe (JPN) |
| 50.67 | 57 | 2022’ Nagane Summer Speed Skating Competition | 20. - 21.08.2022 | Hachinohe (JPN) |
| 53.27 | 73 | YS CUP 2022 Nagane Final Speed Skating Competition | 05. - 06.03.2022 | Hachinohe (JPN) |
| 54.61 | 65 | Aomori 2021 ’Michinoku Speed Skating Competition | 25. - 26.12.2021 | Hachinohe (JPN) |
| 1:09.08 | 24 | 27th Nagane Gold Sprint | 16. - 17.01.2021 | Hachinohe (JPN) |