The $623 million deal propelled ISC to the top track owner , and SMI fell to second .
That year , International Speedway Corporation , then the second largest track owner , acquired Penske Motorsports , then the third largest track owner .
The $623 million deal propelled International Speedway Corporation to the top track owner , and SMI fell to second .
That year , International Speedway Corporation , then the second largest track owner , acquired Penske Motorsports , then the third largest track owner .