The Carfax 400 is a NASCAR stock car race that was introduced on August 17 1969.http://en.wikipedia.org/wiki/CARFAX_400 The race is held at the Michigan International Speedway, in Brooklyn, Michigan.http://www.mispeedway.com/Events/2009/CARFAX-400.aspx
Background
The race had a number of previous names, including The 3M Performance 400, The GFS Marketplace 400, The Farmer Jack, and the Pepsi 400. The race is held every year. It consists of 200 laps, equaling 400 miles.http://en.wikipedia.org/wiki/CARFAX_400
