| 45.71 | 6 | 76th Aomori Prefectural Junior High School Athletic Meet | 29. - 30.11.2025 | Hachinohe (JPN) |
| 46.81 | 25 | 2025 Michinoku Speed Skating Tournament | 25. - 26.10.2025 | Hachinohe (JPN) |
| 47.39 | 6 | Aomori Prefectural Speed Skating Competition | 20. - 21.09.2025 | Hachinohe (JPN) |
| 47.47 | 56 | 2025 Nagane Summer Speed Skating Tournament | 23. - 24.08.2025 | Hachinohe (JPN) |
| 49.02 | 56 | YS CUP 2025' Nagane Final Speed Skating Competition | 08. - 09.03.2025 | Hachinohe (JPN) |
| 49.48 | 19 | 2025' Nagane Winter Speed Skating Competition | 15. - 16.02.2025 | Hachinohe (JPN) |
| 49.51 | 15 | 44th Aomori Prefecture Junior Sprint Championships | 28. - 29.12.2024 | Hachinohe (JPN) |
| 50.01 | 10 | 75th Aomori Prefectural Junior High School Championships | 30.11. - 01.12.2024 | Hachinohe (JPN) |
| 49.79 | 21 | 2024 Michinoku Speed Skating Competition | 26. - 27.10.2024 | Hachinohe (JPN) |
| 52.35 | 69 | 2024' Nagane Summer Speed Skating Competition | 24. - 25.08.2024 | Hachinohe (JPN) |
| 51.31 | 94 | YS CUP 2024’Nagane Final Speed Skating Competition | 02. - 03.03.2024 | Hachinohe (JPN) |
| 52.43 | 3 | 48th Aomori Prefecture vs. Tochigi Prefecture Elementary School Tournament | 03.02.2024 | Nikkō (JPN) |
| 52.55 | 4 | 11th Nagane Elementary School Speed Skating Competition | 20.01.2024 | Hachinohe (JPN) |
| 54.87 | 91 | YS CUP 2023' Nagane Final Speed Skating Competition | 04. - 05.03.2023 | Hachinohe (JPN) |
| 55.91 | 6 | 10th Nagane Elementary School Competition/47th Aomori Prefecture vs. Tochigi Elementary | 11.02.2023 | Hachinohe (JPN) |
| 58.02 | 13 | 29th Nagane Gold Sprint | 07. - 08.01.2023 | Hachinohe (JPN) |