Six double-digit seeds in the NASCAR In-Season Challenge advanced to the quarterfinal round after Sunday's Grant Park 165.

McDowell led the race but handed first place to van Gisbergen when he suffered a stuck throttle coming to the restart. He was ...

This year's race comes with an added wrinkle; it's round two of NASCAR's inaugural in-season challenge. Round one last week in Atlanta saw multiple upsets of the top seeds thanks to a collision-filled ...