William Byron fought off fuel worries in the closing laps to win the NASCAR Cup Series race Sunday at Iowa Speedway ...

Follow along for live updates and highlights from the second NASCAR Cup Series race at Iowa Speedway, the Iowa Corn 350, today.

William Byron's first victory since the Daytona 500 provided a much-needed boost, putting him back atop the Cup Series standings.

The Next Gen car used in the NASCAR has been criticized for not having enough power, and that was highlighted after times ...