There are two races on the NASCAR Busch Series schedule called the Aaron's 312. They're both held in the Spring, with Atlanta Motor Speedway hosting the first one, and Talladega Superspeedway hosting the other. Of all of the three major NASCAR series, this is the only one to feature two races of the same name.
The races have the same distance in miles, but it takes a different amount of laps to satisfy each distance. At Atlanta, the race takes 203 laps to complete. At Talladega, it takes 117 laps to complete.
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