| 47.45 | 18 | 1st Time Trial | 22.01.2022 | Obihiro (JPN) |
| 50.62 | 36 | 52nd Hokkaido Junior High School Skating Tournament | 08. - 09.01.2022 | Tomakomai (JPN) |
| 47.39 | 24 | 68th All Tokachi Junior High School Tournament | 26.12.2021 | Obihiro (JPN) |
| 49.58 | 22 | 35th All Tokachi Junior High School Meeting | 11.12.2021 | Obihiro (JPN) |
| 49.21 | 14 | 68th All Tokachi Junior High School Speed Skating Championships | 27. - 28.11.2021 | Obihiro (JPN) |
| 48.93 | 67 | 2021 Meiji Hokkaido Tokachi Oval Speed Skating Competition Round 3 | 13. - 14.11.2021 | Obihiro (JPN) |
| 47.24 | 18 | 30th All Tokachi Junior High School Record Meeting | 28.02.2021 | Obihiro (JPN) |
| 49.46 | 28 | 60th East Hokkaido Speed Skating Tournament | 13.02.2021 | Kushiro (JPN) |
| 49.97 | 34 | 49th Hokkaido Sprint Skating Championships | 06. - 07.02.2021 | Kushiro (JPN) |
| 47.02 | 29 | 2020 1st Time Trial | 23.01.2021 | Obihiro (JPN) |
| 47.03 | 32 | 51st Hokkaido Junior High School Competition | 09. - 11.01.2021 | Obihiro (JPN) |
| 48.68 | 25 | 67th All Tokachi Junior High School Winter Speed Skating Tournament | 20.12.2020 | Obihiro (JPN) |
| 48.39 | 59 | 2020 Meiji Hokkaido Tokachi Oval Speed Skating Competition Round 3 | 21. - 22.11.2020 | Obihiro (JPN) |
| 47.54 | 33 | 59th East Hokkaido Speed Skating Competition | 08. - 09.02.2020 | Obihiro (JPN) |
| 48.59 | 26 | 3. Time Trial | 18.01.2020 | Obihiro (JPN) |
| 49.37 | 16 | 66th Tokachi Junior High School Championships | 07. - 08.12.2019 | Obihiro (JPN) |
| 50.45 | 27 | 2. Time Trial | 23.11.2019 | Obihiro (JPN) |