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

Stretching his last tank of fuel for the final 144 laps, William Byron held on to win a nail-biter at Iowa Speedway over pole ...

NASCAR Cup Series drivers and officials are optimistic the series will return to Iowa Speedway for years to come.

Follow along for live updates and highlights from the second NASCAR Cup Series race at Iowa Speedway, the Iowa Corn 350, today.

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 ...

For the second straight year a corn drawing behind Iowa Speedway welcomed visitors to the track in the middle of a corn field.

William Byron’s Iowa Corn 350 victory gave him the distinction of being the only driver to have won at Iowa Speedway in all ...

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

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.

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

On Aug. 3, Byron led 141 laps, including the ones that counted most. He scored his second victory of the season and first since the Daytona 500. Briscoe, Keselowski, Ryan Blaney and Ryan Preece ...