| 45.56 | 27 | 64th Japan High School Championships | 22. - 25.01.2015 | Yamagata (JPN) |
| 44.23 | 1 | 64th Gunma Prefecture High School Championships | 05. - 06.01.2015 | Shibukawa (JPN) |
| 43.25 | 3 | 34th Gunma Prefecture Selection | 20.12.2014 | Shibukawa (JPN) |
| 43.32 | 3 | 26th Gunma Prefecture Competitions | 13.12.2014 | Shibukawa (JPN) |
| 43.64 | 1 | 22nd World Sprint Memorial Competition | 06.12.2014 | Shibukawa (JPN) |
| 42.96 | 14 | 4th High School Competition | 22. - 23.02.2014 | Obihiro (JPN) |
| 42.19 | 17 | 12th M-Wave Cup | 14. - 16.02.2014 | Nagano (JPN) |
| 43.13 | 1 | 35th Gunma Prefecture High School Rookie Competition | 11.02.2014 | Shibukawa (JPN) |
| 43.64 | 28 | Japanese Junior Championships 2014 | 07. - 09.02.2014 | Chikuma (JPN) |
| 45.09 | 28 | 63rd High School Championships | 21. - 24.01.2014 | Hachinohe (JPN) |
| 43.65 | 1 | 63rd Gunma Prefecture High School Championships | 04. - 05.01.2014 | Shibukawa (JPN) |
| 43.07 | 2 | 21th Gunma World Sprint Champ. Memorial Competition | 20.12.2013 | Shibukawa (JPN) |
| 44.38 | 4 | 33rd Gunma Selection Competition | 14.12.2013 | Shibukawa (JPN) |
| 44.73 | 1 | Gunma Prefecture Competition | 07.12.2013 | Shibukawa (JPN) |
| 42.43 | 12 | 3rd High School Selection Competition | 23. - 24.02.2013 | Obihiro (JPN) |
| 42.80 | 18 | 11th M-Wave Cup | 15. - 17.02.2013 | Nagano (JPN) |
| 43.91 | 3 | 32nd Gunma Prefecture Sprint Championships | 08. - 09.02.2013 | Shibukawa (JPN) |
| 43.05 | 1 | Gunma Prefecture New Member Competition | 06.02.2013 | Shibukawa (JPN) |
| 45.14 | 25 | 62nd High School Championships | 23. - 26.01.2013 | Kushiro (JPN) |
| 43.66 | 24 | Japanese Junior Championships 2013 | 11. - 13.01.2013 | Shibukawa (JPN) |
| 44.35 | 2 | Gunma Prefecture High School And Junior High School Championships | 05. - 06.01.2013 | Shibukawa (JPN) |
| 43.23 | 7 | 32nd Gunma Prefecture Selection | 15.12.2012 | Shibukawa (JPN) |
| 44.07 | 6 | 24th Gunma Prefecture Competition | 08.12.2012 | Shibukawa (JPN) |
| 44.57 | 3 | 20th World Sprint Championships 1993 Memorial | 01.12.2012 | Shibukawa (JPN) |
| 42.92 | 15 | 10th M-Wave Cup | 17. - 19.02.2012 | Nagano (JPN) |
| 42.57 | 8 | 32nd Japanese Inter-Junior High School Meeting | 30. - 31.01.2012 | Nagano (JPN) |
| 42.77 | 1 | 46th Gunma Prefecture Junior High School Competition | 28. - 29.12.2011 | Shibukawa (JPN) |
| 45.60 | 7 | 23rd Gunma Prefecture Classification Competition | 10.12.2011 | Shibukawa (JPN) |
| 44.07 | 3 | 19th World Sprint Championships 1993 Memorial | 03.12.2011 | Shibukawa (JPN) |
| 42.35 | 8 | 9th M-Wave-Cup | 19. - 21.02.2011 | Nagano (JPN) |
| 43.15 | 10 | 31st Junior High School Skating Meeting | 30.01. - 01.02.2011 | Nagano (JPN) |
| 43.85 | 1 | 45th Junior High School Championships Präfectur Gunma | 05. - 06.01.2011 | Shibukawa (JPN) |
| 43.53 | 3 | 30th Gunma Prefecture Selection | 18.12.2010 | Shibukawa (JPN) |
| 44.97 | 3 | 22nd Gunma Prefecture Meeting | 11.12.2010 | Shibukawa (JPN) |
| 45.05 | 2 | 18th Gunma Conference Meeting | 04.12.2010 | Shibukawa (JPN) |
| 43.46 | 23 | 8th M-WAVE CUP | 27. - 28.02.2010 | Nagano (JPN) |
| 44.94 | 5 | 29th Gunma Prefecture Sprint Championship | 13. - 14.02.2010 | Shibukawa (JPN) |
| 45.51 | 2 | 32nd Gunma Prefecture Junior High School New Member Conference | 10.02.2010 | Shibukawa (JPN) |
| 43.41 | 12 | 30th Junior High School Meisterschaften | 31.01. - 02.02.2010 | Nagano (JPN) |
| 45.53 | 2 | 44th Junior High School Championships Präfectur Gunma | 05. - 06.01.2010 | Shibukawa (JPN) |
| 46.20 | 5 | 29th Gunma Prefecture Selection | 19.12.2009 | Shibukawa (JPN) |
| 44.68 | 4 | 21st Gunma Prefecture Meeting | 12.12.2009 | Shibukawa (JPN) |
| 46.86 | 7 | Gunma Prefecture Championship | 13. - 14.02.2009 | Shibukawa (JPN) |
| 47.29 | 7 | 16th Gunma Conference Meeting | 06.12.2008 | Shibukawa (JPN) |
| 48.77 | 10 | Gunma Prefecture Championship | 10. - 11.02.2008 | Shibukawa (JPN) |
| 49.24 | 11 | 27th Gunma Prefecture Selection Competition | 22.12.2007 | Shibukawa (JPN) |