| 4:18.75 | 20 | 22nd M-Wave Speed Skating Competition | 16. - 18.02.2024 | Nagano (JPN) |
| 4:20.37 | 15 | 44th National Junior High School Skating Tournament | 03. - 06.02.2024 | Nagano (JPN) |
| 4:21.25 | 3 | 62nd Nagano Prefecture Junior High School Tournament | 04. - 05.01.2024 | Nagano (JPN) |
| 4:41.44 | 5 | 2023/2024 All Shinshu Speed Skating Championships | 17.12.2023 | Karuizawa (JPN) |
| 4:31.37 | 2 | 25th Nagano Prefecture Junior High School Competition Tohoku Shin Tournament | 09. - 10.12.2023 | Koumi (JPN) |
| 4:26.41 | 7 | 37th Nagano Prefecture High School/Junior High School Competition | 05. - 06.12.2023 | Karuizawa (JPN) |
| 4:28.98 | 41 | 21st M-Wave Speed Skating Competition | 17. - 19.02.2023 | Nagano (JPN) |
| 4:25.41 | 25 | 43rd National Junior High School Skating Tournament | 04. - 07.02.2023 | Nagano (JPN) |
| DQ | - | 61st Karuizawa Skating Competition Junior High School Division | 21. - 22.01.2023 | Karuizawa (JPN) |
| 4:27.69 | 9 | 61st Nagano Prefectural Junior High School Competition | 05. - 06.01.2023 | Nagano (JPN) |
| 4:44.82 | 19 | 2022/2023 All Shinshu Speed Skating Single Championships | 24. - 25.12.2022 | Okaya (JPN) |
| 5:02.21 | 7 | 72nd Lake Matsubara Skating Tournament | 10. - 11.12.2022 | Koumi (JPN) |
| 4:46.12 | 15 | 36th Nagano High School/Junior High School Speed Skating Competition | 06. - 07.12.2022 | Karuizawa (JPN) |
| 4:35.50 | 53 | 20th M-Wave Speed Skating Competition | 11. - 13.02.2022 | Nagano (JPN) |
| 4:36.98 | 56 | 42nd National Junior High School Skating Tournament | 29.01. - 01.02.2022 | Nagano (JPN) |
| 4:53.66 | 16 | 60th Karuizawa Skating Competition (Junior High School) | 15. - 16.01.2022 | Karuizawa (JPN) |
| 5:15.39 | 48 | 70th All Shinshu Speed Skating Championships | 09. - 10.01.2022 | Koumi (JPN) |
| 4:45.22 | 19 | 60th Nagano Prefectural Junior High School Competition | 06. - 07.01.2022 | Nagano (JPN) |
| 5:02.18 | 12 | 23rd Nagano Junior High School Competition Tohoku Shin Tournament | 11. - 12.12.2021 | Koumi (JPN) |