Motorcycle Week. 95th ANNUAL LACONIA MOTORCYCLE WEEK. JUNE , Now in its 95th year! Over , bikers will attend this event, the third. Laconia Motorcycle Week is a motorcycle rally held annually in June in Laconia, New Line-up of motorcycles at Weirs Beach, Laconia Motorcycle Week Genre, Motorcycle rally. Dates, 9 days in June, ending on Father's Day. Location(s).