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 admitted he was nervous as he headed into the final laps of the NASCAR Cup Series race Sunday at Iowa Speedway.

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.

William Byron took his second win of the 2025 NASCAR Cup Series season in dramatic fashion as he was running on fumes in the closing laps of Sunday's Iowa Corn ...

William Byron snagged his second win of the 2025 NASCAR Cup Series season at Iowa Speedway on Sunday. Behind him, however, ...

See which Cup Series drivers are on the upswing, plus those who had a rough night in Sunday's race at Iowa Speedway.

Fuel mileage has been an issue for William Byron in three races this season, costing him a victory at Michigan and a ...

NASCAR selects four cars, including Denny Hamlin's, for R&D inspection, sparking fan curiosity and speculation.

William Byron's 21-race winless drought snapped at Iowa and other key takeaways as the NASCAR regular season winds down.