Byron beat out Chase Briscoe, Brad Keselowski, Ryan Blaney and Ryan Preece to take his second checkered flag of 2025. Byron's win made him the fourth driver to win multiple races this season. All four of those drivers reside in the top five of the NASCAR Cup Series standings. Full NASCAR standings can be found here.

Who won the NASCAR Iowa race? William Byron is the winner, plus full NASCAR Cup results, running order and leaderboard for Iowa Corn 350.

This will be just the second time the NCS has ran an event in Corn Country. While NASCAR has held many races in Iowa among its supporting series, it was not until 2024 that they brought out the big guns to one of the more intriguing tracks in the Midwest. Last season, Ryan Blaney managed to pull out a win at the 3/4-mile oval.