| 4:56.04 | 33 | 2024/25 All-Shinshu Speed Skating Championships | 21. - 22.12.2024 | Chikuma (JPN) |
| 5:28.43 | 9 | 26th Nagano Prefectural Junior High School Speed Skating Championship Tohoku Shin Tournament | 07. - 08.12.2024 | Koumi (JPN) |
| 5:07.50 | 18 | 38th Nagano Prefectural High School and Junior High School Competition | 30.11. - 01.12.2024 | Karuizawa (JPN) |
| 4:48.86 | 51 | 22nd M-Wave Speed Skating Competition | 16. - 18.02.2024 | Nagano (JPN) |
| 4:51.80 | 69 | 44th National Junior High School Skating Tournament | 03. - 06.02.2024 | Nagano (JPN) |
| 5:07.42 | 18 | 62nd Nagano Prefecture Junior High School Tournament | 04. - 05.01.2024 | Nagano (JPN) |
| 5:11.69 | 15 | 25th Nagano Prefecture Junior High School Competition Tohoku Shin Tournament | 09. - 10.12.2023 | Koumi (JPN) |
| 5:11.76 | 18 | 37th Nagano Prefecture High School/Junior High School Competition | 05. - 06.12.2023 | Karuizawa (JPN) |
| 5:10.01 | 71 | 21st M-Wave Speed Skating Competition | 17. - 19.02.2023 | Nagano (JPN) |
| 5:03.45 | 67 | 43rd National Junior High School Skating Tournament | 04. - 07.02.2023 | Nagano (JPN) |
| 5:24.85 | 15 | 61st Karuizawa Skating Competition Junior High School Division | 21. - 22.01.2023 | Karuizawa (JPN) |
| 5:18.89 | 17 | 61st Nagano Prefectural Junior High School Competition | 05. - 06.01.2023 | Nagano (JPN) |
| 5:27.63 | 35 | 2022/2023 All Shinshu Speed Skating Single Championships | 24. - 25.12.2022 | Okaya (JPN) |
| 5:41.57 | 10 | 72nd Lake Matsubara Skating Tournament | 10. - 11.12.2022 | Koumi (JPN) |