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

NASCAR Cup Series drivers and officials are optimistic the series will return to Iowa Speedway for years to come.

NEWTON, Iowa — A look at the winners and losers from Sunday’s Cup race 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 was already locked into the NASCAR Cup Series playoffs and was second in the regular-season point standings ...

William Byron won the NASCAR Iowa Corn 350 race on Aug. 3 at Iowa Speedway. Here are some winners and losers from the race.

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 ...

Listen to the best soundbites during the NASCAR Cup Series Iowa Corn 350 at Iowa Speedway.

Hear from William Byron, Ryan Preece, Chase Briscoe, Brad Keselowski, Ryan Blaney, Bubba Wallace and Alex Bowman following ...

William Byron used a flurry of cautions to stretch his fuel over the final 140 laps to win Sunday's NASCAR Cup Series race at Iowa Speedway.

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