Sugo sportsland - Sendai, Japan

BIG roadrace International Race october 19, 1980	11th TBC Big roadrace International Race october 09, 1983	National Race may 27, 1984	13th TBC big road race International Race may 06, 1985
National Race august 25, 1985	National Race may 24, 1987	National Race july 12, 1987	TT Formula 1 International Race august 30, 1987
National Race september 13, 1987	TT Formula 1 International Race may 15, 1988	National Race july 17, 1988	Japanese round Superbike World Championship august 28, 1988
Pocari Sweet Sugo TT F1 International Race may 14, 1989	Japanese round Superbike World Championship august 27, 1989	TBC BIG roadrace International Race october 15, 1989	TT Formula FIM International Race may 13, 1990
Japanese round Superbike World Championship august 06, 1990	Japanese round Superbike World Championship august 25, 1991	Japanese round Superbike World Championship august 30, 1992	Japanese round Superbike World Championship august 29, 1993
BIG roadrace International Race october 10, 1993	Japanese round Superbike World Championship august 28, 1994	Japanese round Superbike World Championship august 27, 1995	Japanese round Superbike World Championship august 25, 1996
TBG Big race International Race november 03, 1996	Japanese round Superbike World Championship october 05, 1997	Japanese round Superbike World Championship october 04, 1998	Japanese round Superbike World Championship october 10, 1999
Japanese round Superbike World Championship april 30, 2000	All Japan roadrace National Race august 20, 2000	Japanese round Superbike World Championship april 29, 2001	Japanese round Superbike World Championship april 21, 2002
Japanese round Superbike World Championship april 27, 2003	National Race august 30, 2009	National Race august 29, 2010