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 ...

All the information you need to get ready for the Iowa Corn 350 powered by Ethanol NASCAR Cup Series race, Sunday at Iowa Speedway.

Here's a look at the NASCAR Cup Series qualifying results at Iowa Speedway and the starting lineup as a result: ...

With just four races remaining in the regular season, Iowa Speedway takes center stage in a NASCAR Cup Series campaign marked ...

The NASCAR Cup Series rolls into Iowa Speedway on Sunday to kick off August racing at the Iowa Corn 350. The race is ...