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 ...

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

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

It’s the 15th career victory across 11 Cup tracks for Byron, who opened the season with his second consecutive Daytona 500 ...

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 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.

The NASCAR Cup Series has raced only twice at Iowa Speedway: last year was its debut and then Sunday, when William Byron ...