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 saved every drop of fuel to win the second NASCAR Cup Series race at Iowa Speedway in an action-packed race.

Following the Iowa Corn 350, NASCAR officials have decided to take four cars to R&D this week, including the 11 of Denny ...

Ryan Blaney was "surprised" to see the leaders fall off as much as they did in the closing laps at Iowa but wasn't able to ...

After a lack of fuel cost him the win at Michigan, William Byron has made up for it by stretching a single fuel tank 144 laps ...

The first stage of the Iowa Corn 350 is in the books as NASCAR Cup Series action hits Iowa Speedway. Former Cup Series ...

Brad Keselowski played to win and needed a few cautions Sunday at Iowa Speedway. Unfortunately for the veteran, he got more ...

While Ryan Blaney's fans appreciated the interview, his long-time friend Bubba Wallace took a dig at him in the comment ...

Who won the NASCAR Iowa race? William Byron is the winner, plus full NASCAR Cup results, running order and leaderboard for ...

Chase Briscoe was called out for looking backward after Ryan Blaney was told he was running the same line during an emotional Cup Series race at Iowa.