William Byron gambled on fuel mileage and won the Iowa Corn 350 NASCAR Cup Series race on Aug. 3 at Iowa Speedway. ...

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 ...

NEWTON, Iowa — Sunday's Iowa Corn 350 capped off a three-race weekend for NASCAR fans at Iowa Speedway. 30,000 from near and ...

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

After last week's big win at Indy, Bubba Wallace and his team pulled together an impressive sixth-place finish at Iowa ...

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

Byron regains the top spot from Elliott after his Iowa win. Although Larson and Denny Hamlin remain third and fourth in the standings, they both lose ground after subpar finishes outside the top 20.