bososai.jp

Boso-sosai is a special motoring event held at THE MAGARIGAWA CLUB, a members-only driving club in Minamiboso, Chiba, Japan. Bringing together the excitement of driving and the appeal of distinctive cars, the event features the latest hypercars, classic automobiles, and personal vehicles that reflect their owners’ passion. Visitors can experience the cars up close and enjoy programs centered on driving along a course surrounded by the natural scenery of Boso.

The event also brings together automotive brands and partner companies through exhibition and experience booths, offering opportunities to encounter current models and a variety of products. Food and entertainment complement the program, creating a community gathering for people who love cars. Boso-sosai 2026 is scheduled for December 4, a fully invitation-only day, followed by public days on December 5 and 6. The event offers general admission tickets and return bus tour packages that include admission. Its website provides event program, map, timetable, access, FAQ, and contact information.