| 45.86 | 1 | 19th Nikko Record Competition | 17.02.2017 | Nikkō (JPN) |
| 45.35 | 1 | 41st Aomori / Tochigi Prefecture Elementary School Meeting | 11.02.2017 | Hachinohe (JPN) |
| 47.93 | 1 | Elementary School Selection Race | 16.12.2016 | Nikkō (JPN) |
| 48.09 | 1 | Nikko Youth Competition | 04.12.2016 | Nikkō (JPN) |
| 48.30 | 1 | Nikko Youth Competition | 02.12.2016 | Nikkō (JPN) |
| 48.52 | 1 | 19th Nikko Winter Skate Center Cup | 25.11.2016 | Nikkō (JPN) |
| DNS | - | 40th Aomori Vs Tochigi Elementary School Meeting | 06.02.2016 | Nikkō (JPN) |
| 51.99 | 4 | 28th Tochigi Prefecture Selection | 18.12.2015 | Nikkō (JPN) |
| 50.87 | 1 | 36th Nikko Youth School Competition | 06.12.2015 | Nikkō (JPN) |
| 52.71 | 3 | 43rd Chibikko Meeting | 04.12.2015 | Nikkō (JPN) |
| 52.40 | 1 | 18th Nikko Kirifuri Cup | 20.11.2015 | Nikkō (JPN) |
| 55.77 | 1 | 17th Nikko Gold Competition | 13.02.2015 | Nikkō (JPN) |
| 56.10 | 3 | 39th Aomori Prefecture - Tochigi Prefecture Elementary School Meeting | 07.02.2015 | Hachinohe (JPN) |
| 56.31 | 1 | Record Meeting | 09.01.2015 | Nikkō (JPN) |
| 57.01 | 1 | 2 Nagane Elementary School Selection Meeting | 19.12.2014 | Nikkō (JPN) |
| 56.77 | 1 | 35th Nikko Schoolchildren Competitions | 07.12.2014 | Nikkō (JPN) |
| 58.46 | 1 | 17th Nikko Cup | 21.11.2014 | Nikkō (JPN) |
| 1:02.39 | 2 | 41st Kids Meeting | 10. - 11.01.2014 | Nikkō (JPN) |
| 1:15.80 | 12 | Tochigi Prefecture Selection | 20.12.2013 | Nikkō (JPN) |