| 40.52 | 22 | 34th National Junior High School Competition | 03. - 04.02.2014 | Nagano (JPN) |
| 42.81 | 5 | 52nd Karuizawa Junior High School Competition | 18. - 19.01.2014 | Karuizawa (JPN) |
| 41.83 | 11 | 27th Nagano Sprint Championships | 10. - 11.01.2014 | Koumi (JPN) |
| 41.52 | 5 | 52nd Nagano Prefecture Junior High School Sports Festival Competition | 06. - 07.01.2014 | Nagano (JPN) |
| 41.98 | 1 | 15th Nagano Prefecture Junior High School Competition | 07. - 08.12.2013 | Chikuma (JPN) |
| 42.35 | 26 | 20th Seiko Oval Night Game Competition | 30.11. - 01.12.2013 | Fujiyoshida (JPN) |
| 42.03 | 63 | 11th M-Wave Cup | 15. - 17.02.2013 | Nagano (JPN) |
| 44.25 | 19 | 26th Nagano Prefecture Sprint Championships | 08. - 09.02.2013 | Chikuma (JPN) |
| 42.74 | 10 | 51st Karuizawa Junior High School Competition | 12. - 13.01.2013 | Karuizawa (JPN) |
| 42.86 | 8 | 51st Nagano Prefecture Junior High School Competition | 07. - 08.01.2013 | Nagano (JPN) |
| 44.90 | 5 | 14th Nagano Prefecture Junior High School Competition | 08.12.2012 | Okaya (JPN) |
| 43.98 | 64 | 10th M-Wave Cup | 17. - 19.02.2012 | Nagano (JPN) |
| 46.03 | 14 | Karuizawa Winter Festival 2012 | 14. - 15.01.2012 | Karuizawa (JPN) |
| 44.91 | 13 | 50th Nagano Prefecture Junior High School Competition | 06. - 07.01.2012 | Nagano (JPN) |
| 45.16 | 6 | 13th Nagano Prefecture Junior High School | 10.12.2011 | Chikuma (JPN) |
| 48.72 | 13 | 22nd LCV Cup Koshoku Sprint Championship | 05. - 06.02.2011 | Chikuma (JPN) |