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 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.

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 utilized fuel strategy to claim his second NASCAR Cup Series win of the season at Iowa Speedway Sunday evening.

William Byron snagged his second win of the 2025 NASCAR Cup Series season at Iowa Speedway on Sunday. Behind him, however, ...

Byron fought off fuel worries in the closing laps. He went the last 144 laps of the 350-lap race without a stop en route to ...

See which Cup Series drivers are on the upswing, plus those who had a rough night in Sunday's race at Iowa Speedway.

This article was originally published on fansided.com as NASCAR Cup Series Iowa results: Iowa Corn 350 winner and order.

William Byron fought off fuel worries in the closing laps. He went the last 144 laps of the 350-lap race without a stop en ...

Stay updated with the NASCAR 2025 weekly TV schedule guide. Find where and how to watch this week's live and online races now ...

William Byron achieves Chevrolet's first NASCAR Cup Series Iowa Speedway victory, marking its 10th win of the season and boosting playoff prospects.