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 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 seizes Iowa Corn 350, outsmarting Chase Briscoe with a bold fuel strategy, solidifying his NASCAR Cup Series ...

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 ...

Video shows Zane Smith nearly hitting Carson Hocevar in Iowa Corn 350 incident, sparking ongoing driver tensions.

Iowa Speedway, a 0.875-mile oval located in Newton, Iowa, played host to the NASCAR Cup Series Sunday afternoon. The Iowa ...

Sometimes the best story of a NASCAR race isn't the winner's. Brad Keselowski should have and could have won the Iowa Corn ...

Byron has just enough gas to win Sunday's NASCAR Cup Series Iowa Corn 350 after racing "thousands of laps" at Iowa on a video ...

Chase Briscoe thought he was in prime position for a second Cup Series win with Joe Gibbs Racing in Sunday’s Iowa Corn 350, ...

William Byron nursed his No. 24 Hendrick Motorsports Chevrolet home on fuel to win Sunday's Iowa Corn 350 Powered by Ethanol ...