NEWTON, IOWA - AUGUST 03: William Byron, driver of the #24 Raptor Chevrolet, celebrates in victory lane after winning the NASCAR Cup Series Iowa Corn 350 Powered by Ethanol at Iowa Speedway on August 03, 2025 in Newton, Iowa. (Photo by Sean Gardner/Getty Images) | Getty Images
NEWTON, IOWA - AUGUST 03: William Byron, driver of the #24 Raptor Chevrolet, celebrates in victory lane after winning the NASCAR Cup Series Iowa Corn 350 Powered by Ethanol at Iowa Speedway on August 03, 2025 in Newton, Iowa. (Photo by Sean Gardner/Getty Images) | Getty Images
#24 Hendrick Motorsports 2025 Iowa Race All News Cup News William Byron

Iowa post-race inspection

August 3, 2025 at 8:34 PM

Inspection is complete following the NASCAR Cup Series Iowa Corn 350 at Iowa Speedway.

There were no issues for #24-William Byron. He is officially the winner.

The cars of #1-Ross Chastain, #11-Denny Hamlin, #12-Ryan Blaney and #48-Alex Bowman will go back to the R&D Center.

See race details at: Race Results, Driver Points Standings, Owner Points Standings, Cumulative Report, Penalty Report.

See the Iowa race page for comprehensive information.