![](https://kubrick.htvapps.com/htv-prod-media.s3.amazonaws.com/images/gettyimages-2157749927-666e363527e8c.jpg?crop=1.00xw:0.846xh;0,0.0268xh&resize=1200:*)
NASCAR in Iowa: Mayer takes overtime win in Xfinity Series race at Iowa Speedway
Sam Mayer knew winning the overtime restart of Saturday's NASCAR Xfinity Series race at Iowa Speedway was all about choosing the right line.And Mayer knew the top line was best on a track where everyone has been getting a weekend education on where to …