 not only at the track but as an area reference in casual conversation.The track traditionally raced in the evenings only, at first beginning about Memorial Day, and closing the week prior to the opening of the "Topsfield Fair", a large 10 day agricultural fair operated by the Essex County Agricultural Society, which featured greyhound racing at its track in Topsfield, Massachusetts.At the conclusion of the Wonderland meet, many owners would race at Topsfield, prior to transferring their kennels to several tracks in Florida.