| 51.41 | 24 | 21st Kushiro Final Speed Skating Competition | 24. - 25.02.2024 | Kushiro (JPN) |
| 49.62 | 22 | All Tokachi Junior High School Competition | 17.02.2024 | Obihiro (JPN) |
| 50.22 | 44 | 1st Time Trial | 20.01.2024 | Obihiro (JPN) |
| 51.41 | 51 | 54th Hokkaido Junior High School Tournament | 06. - 07.01.2024 | Kushiro (JPN) |
| 49.32 | 34 | 70th All Tokachi Junior High School Tournament | 24.12.2023 | Obihiro (JPN) |
| 51.74 | 27 | 21st World Junior Memorial Hokkaido Junior High School Competition | 16. - 17.12.2023 | Kushiro (JPN) |
| 49.31 | 56 | 2023 Meiji Hokkaido Tokachi Oval Speed Skating Competition Round 4 | 09. - 10.12.2023 | Obihiro (JPN) |
| 49.66 | 29 | 70th All Tokachi Junior High School Championships | 02. - 03.12.2023 | Obihiro (JPN) |
| 49.61 | 80 | Meiji Hokkaido Tokachi Oval Speed Skating Competition Round 3 | 25. - 26.11.2023 | Obihiro (JPN) |
| 51.02 | 39 | 69th All Tokachi Elementary School Championships | 05.02.2023 | Obihiro (JPN) |