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The History: Starting Nascar's Engine - By: Kristi Ambrose, 2009-01-22 Some of the tracks expended in the initiatory racing circuits are still utilized today. Martinsville Speedway is one of them. Darlington Raceway, which opened in 1950, is another. The Indianapolis Motor Speedway, which is a popular track on the Nextel Cup circuit, dates back to 1909! COMMENTS Add a comment |