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William Byron claims victory at 2025 Iowa Corn 350 with fuel strategy

Yahoo Sports • 1 min read • Latest: Aug 6, 2026, 1:18 AM

Last updated Aug 6, 2026

William Byron claims victory at 2025 Iowa Corn 350 with fuel strategy

Summary

William Byron won the 2025 Iowa Corn 350 Powered by Ethanol on August 3, 2025. The race was marked by a dramatic fuel-mileage strategy that saw Byron narrowly defeat Chase Briscoe by 1.192 seconds. Byron led the most laps, totaling 141, while Briscoe and Brad Keselowski led 81 and 68 laps, respectively. This victory was Byron's second win of the 2025 season, following a challenging race at Indianapolis. The upcoming Iowa Corn 350 this weekend will feature a competitive field, including defending champion Byron, as drivers seek to repeat last year's success.

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By the Numbers

•William Byron won the Iowa Corn 350 on August 3, 2025.
•Byron held off Chase Briscoe by 1.192 seconds.
•He led a total of 141 laps in the race.
•The race was characterized by a notable fuel strategy.
•The next Iowa Corn 350 is scheduled for this weekend.

Latest Updates

1:18 AMYahoo Sports — Who Won Last Year’s NASCAR Cup Race at Iowa? A Look Back at the 2025 Iowa Corn 350

What they're saying

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William Byron prevailed in a dramatic fuel-mileage finish at Iowa Speedway last season. Here's a complete look back at the 2025 Iowa Corn 350, including the finishing order, race statistics and key moments.
— Yahoo Sports

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