48.11 | 35 | 64th Japan High School Championships | 22. - 25.01.2015 | Yamagata (JPN) |
48.30 | 6 | 26th Tohoku High School Championships | 20. - 22.12.2014 | Hachinohe (JPN) |
48.79 | 1 | Miyagi Prefecture HS And JHS Competitions | 12.12.2014 | Kōriyama (JPN) |
49.67 | 41 | 63rd High School Championships | 21. - 24.01.2014 | Hachinohe (JPN) |
49.49 | 1 | Miyagi Prefecture High School Competition | 06.12.2013 | Kōriyama (JPN) |
51.46 | 10 | 24th Tohoku High School Championships | 22. - 24.12.2012 | Kōriyama (JPN) |
50.59 | 13 | 64th Aomori Prefecture Championships | 16. - 17.02.2012 | Hachinohe (JPN) |
50.49 | 9 | 31st Aomori Prefecture Junior Sprint Championships | 27. - 28.12.2011 | Hachinohe (JPN) |
49.95 | 17 | 63rd Aomori Prefecture Speed Skating Championship | 15. - 16.02.2011 | Hachinohe (JPN) |
50.91 | 10 | 30th Aomori Prefecture Junior Sprint Championships | 27. - 28.12.2010 | Hachinohe (JPN) |
51.04 | 8 | 29th Aomori Prefecture Junior Sprint Championships | 28. - 29.12.2009 | Hachinohe (JPN) |
51.93 | 2 | 35th Aomori Prefecture Elementary School Meeting | 07.02.2009 | Hachinohe (JPN) |
53.07 | 5 | ABA Cup Gold Sprint Championship | 23. - 24.01.2009 | Hachinohe (JPN) |
58.31 | 18 | 28th Aomori Prefecture Junior Sprint Speed Skating Championship | 24. - 25.12.2008 | Hachinohe (JPN) |
55.42 | 4 | 17th Aomori Intersection Meeting | 17.02.2008 | Hachinohe (JPN) |
59.18 | 11 | 14th ABA Cup Gold Sprint Competition | 19. - 20.01.2008 | Hachinohe (JPN) |
1:00.49 | 10 | 14th ABA Cup Gold Sprint Competition | 19. - 20.01.2008 | Hachinohe (JPN) |
58.28 | 24 | 27th Aomori Prefecture Junior Sprint Championship | 28. - 29.12.2007 | Hachinohe (JPN) |