Well, technically it is in the fall. But in the spring this year – and for the foreseeable future – the concrete-covered Bristol (Tenn.) Motor Speedway is now a haven for dirt track racing, thanks to the importation of 23,000 cubic yards of dirt to cover its surface.<br>The high-banked short track at Bristol has been home to a pair of NASCAR Cup Series races each season since 1961.<br>But when ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/why-bristol-dirt-success-opinion/6010600/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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