Auto races in japan

The race was previously part of the All Japan Sports Prototype Championship and later of the World Sportscar Championship before these series were cancelled. After that the race has become part of many different series including the Super Taikyu endurance series. In 2006, the race was integrated for the first time in the Super GT calendar. Previously, the race was open to JGTC/Super GT cars, but with only a handful of competitors from the Super GT entering.