Hendrick Motorsports czar Chad Knaus admitted he was proud Kyle Larson's day in Iowa despite the driver reacting poorly to his teammate Chase Elliott.

NEWTON, Iowa — A look at the winners and losers from Sunday’s Cup race at Iowa Speedway.

Kyle Larson and Chase Elliott made contact on a restart during Sunday's NASCAR Cup Series race at Iowa Speedway, leaving ...

Byron wins Iowa Corn 350, stretching fuel 144 laps, tops Briscoe, Keselowski, and Blaney; Hendrick Motorsports reclaims ...

Tensions boiled over between Hendrick Motorsports teammates Kyle Larson and Chase Elliott during the Iowa Corn 350. After a ...

After a rough five-race stretch that included a single top 10, Kyle Larson appeared to have turned things around in his last two races, recording a fourth at Dover two weeks ago and finishing ...

William Byron admitted he was nervous as he headed into the final laps of the NASCAR Cup Series race Sunday at Iowa Speedway. “But I feel like we’ve been on the other side of this in the last month ...

William Byron and his crew chief, Rudy Fugle, didn’t exactly have plans to run the final 145 laps of Sunday’s NASCAR Cup Series event at Iowa Speedway on a sing ...

William Byron was the class of the field when it mattered on Sunday (Aug. 3) at Iowa Speedway, winning the Iowa Corn 350 by 1 ...

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

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 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.