Speedway Motorsports, Inc. (SMI), through its operating subsidiaries, is a promoter, marketer and sponsor of motorsports activities in the United States. The Company's operations consist of promoting, marketing and sponsoring motorsports racing events, merchandising and other related activities conducted at its various speedway facilities located in the United States. Its segments include motorsports event related and all other. Its motorsports event related segment consists of National Association for Stock Car Auto Racing, Inc. (NASCAR) broadcasting and event motorsports merchandising activities. Its all other operations consist of SMIP subsidiary non-event motorsports and non-motorsports merchandising, US Legend Cars International subsidiary (Legend Cars) non-event merchandising and sanctioning body activities, Oil-Chem micro-lubricant activities, Texas Motor Speedway (TMS) natural gas mineral rights lease and related revenues, and office rentals at certain Company speedways.