| 51.30 | 23 | 21st Kushiro Final Speed Skating Competition | 24. - 25.02.2024 | Kushiro (JPN) |
| 48.07 | 19 | All Tokachi Junior High School Competition | 17.02.2024 | Obihiro (JPN) |
| 48.38 | 29 | 1st Time Trial | 20.01.2024 | Obihiro (JPN) |
| 49.91 | 33 | 54th Hokkaido Junior High School Tournament | 06. - 07.01.2024 | Kushiro (JPN) |
| 49.42 | 21 | 70th All Tokachi Junior High School Tournament | 24.12.2023 | Obihiro (JPN) |
| 50.66 | 17 | 21st World Junior Memorial Hokkaido Junior High School Competition | 16. - 17.12.2023 | Kushiro (JPN) |
| 48.63 | 31 | 2023 Meiji Hokkaido Tokachi Oval Speed Skating Competition Round 4 | 09. - 10.12.2023 | Obihiro (JPN) |
| 49.05 | 16 | 70th All Tokachi Junior High School Championships | 02. - 03.12.2023 | Obihiro (JPN) |
| 49.14 | 53 | Meiji Hokkaido Tokachi Oval Speed Skating Competition Round 3 | 25. - 26.11.2023 | Obihiro (JPN) |
| 50.24 | 17 | 2022/2023 All Japan Novice Competition Sapporo | 11. - 12.02.2023 | Tomakomai (JPN) |
| 49.71 | 41 | 69th All Tokachi Elementary School Championships | 05.02.2023 | Obihiro (JPN) |
| 52.75 | 7 | 45th Hokkaido Sports Boy Scouts Speed Skating Tournament | 14. - 15.01.2023 | Akan (JPN) |
| 50.46 | 13 | 20th Hokkaido Junior High School Tournament | 10. - 11.12.2022 | Kushiro (JPN) |
| 53.64 | 2 | 43rd Hokkaido Sports Boy Competition | 16. - 17.01.2021 | Akan (JPN) |