49.46 | 23 | 53rd Nagano Prefecture Junior High School Competition | 06. - 07.01.2015 | Nagano (JPN) |
51.82 | 15 | 16th Nagano Prefecture Junior High School Competition | 06. - 07.12.2014 | Okaya (JPN) |
50.07 | 20 | 52nd Nagano Prefecture Junior High School Sports Festival Competition | 06. - 07.01.2014 | Nagano (JPN) |
52.19 | 15 | 15th Nagano Prefecture Junior High School Competition | 07. - 08.12.2013 | Chikuma (JPN) |
52.36 | 39 | 24th LCV Cup Super Sprint Championships | 02. - 03.02.2013 | Chikuma (JPN) |
57.79 | 52 | 23rd LCV Cup Super Sprint Championships | 04. - 05.02.2012 | Chikuma (JPN) |