Welcome to the Racing America On SI Live Race Updates page for the 2025 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol at Iowa Speedway. Be sure to refresh ...

But the strategy paid off for William Byron, who drove his No. 24 Chevrolet to victory in the 2nd NASCAR Cup Series race at ...

William Byron took his second win of the 2025 NASCAR Cup Series season in dramatic fashion as he was running on fumes in the closing laps of Sunday's Iowa Corn ...

William Byron utilized fuel strategy to claim his second NASCAR Cup Series win of the season at Iowa Speedway Sunday evening.