2:24.37 | 6 | Nagano Inter Highschool Ch.ships | 17. - 18.12.1999 | Okaya (JPN) |
2:18.37 | 23 | Inter-High School | 22. - 24.01.1999 | Nagano (JPN) |
2:18.20 | 4 | Nagano prefecture hs championships | 15. - 16.12.1998 | Nagano (JPN) |
2:27.88 | 23 | 47th Inter Highschool Games | 20. - 22.01.1998 | Kōriyama (JPN) |
2:18.80 | 5 | 28th Asama Selection Games | 06. - 07.12.1997 | Matsumoto (JPN) |
2:24.82 | 8 | All Japan Junior College Games | 05. - 06.02.1997 | Nikkō (JPN) |
2:25.05 | 7 | 16th All Japan Junior Highschool Games 1996 | 04. - 05.02.1996 | Kōriyama (JPN) |