41.41 | 4 | 71st Inter-College Games | 07. - 09.01.1999 | Nikkō (JPN) |
44.01 | 13 | All Japan College Championships | 10. - 11.12.1998 | Shibukawa (JPN) |
43.09 | 10 | Senbatsu Games | 26. - 28.02.1998 | Morioka (JPN) |
44.30 | 6 | 70th Japanese Student Hikami Championship (Inter College Championships) | 05. - 07.01.1998 | Tomakomai (JPN) |
43.70 | 31 | Japanese Sprint Championships 1998 | 21. - 22.12.1997 | Nagano (JPN) |
44.06 | 10 | 17th Japanese Student Championships | 12. - 13.12.1997 | Shibukawa (JPN) |
44.65 | 16 | Nomori St. Obihiro Night Games | 15. - 16.11.1997 | Obihiro (JPN) |
43.83 | 4 | All Japan Student Championships | 07. - 08.02.1997 | Shibukawa (JPN) |
43.28 | 22 | Japanese Sprint Championships 1997 | 20. - 21.12.1996 | Nagano (JPN) |
43.82 | 9 | 27th Asama Selection Games | 07. - 08.12.1996 | Matsumoto (JPN) |
43.62 | 3 | Yamanashi-Gakuin University | 14.10.1996 | Calgary (CAN) |
43.01 | 6 | 30th All Japan Finals 1996 | 26. - 28.02.1996 | Morioka (JPN) |
43.84 | 5 | 15th Japan Student Championships 1996 | 07. - 08.02.1996 | Shibukawa (JPN) |
43.89 | 19 | Japanese Sprint Championships 1996 | 22. - 23.12.1995 | Obihiro (JPN) |
42.78 | 6 | Asama Kokusai Selection Games | 08. - 09.12.1995 | Matsumoto (JPN) |
43.88 | 10 | Makomanai Selection | 02. - 03.12.1995 | Sapporo (JPN) |
44.48 | 5 | Japanese Junior Sprint Championships 1995 | 04. - 05.02.1995 | Morioka (JPN) |
43.71 | 7 | All Japan Highschool Games 1995 | 21. - 23.01.1995 | Hachinohe (JPN) |
44.24 | 25 | Japanese Sprint Championships 1995 | 13. - 14.01.1995 | Okaya (JPN) |
42.62 | 2 | Japan-Korea Junior Match | 29. - 30.12.1994 | Matsumoto (JPN) |
43.16 | 1 | Nagano prefecture hs championships | 20. - 21.12.1994 | Matsumoto (JPN) |
43.41 | 16 | Asama Kokusai Selection Games | 16. - 17.12.1994 | Matsumoto (JPN) |
43.34 | 10 | All Japan Finals | 24. - 26.02.1994 | Morioka (JPN) |
44.25 | 5 | All Japan Highschool Games | 19. - 21.01.1994 | Kōriyama (JPN) |
43.18 | 1 | Nagano District Highschool +Junior College | 12. - 13.12.1993 | Matsumoto (JPN) |
45.08 | 7 | All Japan Highschool Games | 21. - 23.01.1993 | Tomakomai (JPN) |
44.08 | 2 | Nagano District Highschool Vs. Junior College | 09. - 10.12.1992 | Matsumoto (JPN) |
43.87 | 3 | All Shinshu Championships | 13. - 14.02.1992 | Karuizawa (JPN) |
47.50 | 9 | 11th All Japan Junior College Games | 04. - 05.02.1991 | Morioka (JPN) |