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 ...

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

The third time was the charm on Sunday for William Byron. After running out of fuel at both Michigan (while leading) and ...

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 ...