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The NASCAR Cup Series returns to Iowa Speedway this weekend for the Iowa Corn 350 Powered by Ethanol, bringing the sport back to one of its newest and most competitive short tracks.
Last year’s race produced one of the most memorable finishes of the 2025 season, with fuel strategy ultimately deciding the winner after a caution-filled afternoon.
Here’s everything to know about the 2025 Cup Series race at Iowa before the green flag drops this weekend.
The 2025 Iowa Corn 350 Powered by Ethanol was held on Aug. 3, 2025, and featured 350 laps around the 0.875-mile oval.
After stretching a tank of fuel over the closing run, William Byron drove the No. 24 Hendrick Motorsports Chevrolet to victory, holding off Chase Briscoe by 1.192 seconds.
The win was Byron’s second of the 2025 season and his first since winning the Daytona 500 earlier that year. It also came just one week after fuel mileage heartbreak at Indianapolis, where Byron ran out of gas while battling near the front.
Byron led 141 laps, the most of any driver in the race, while Briscoe led 81 laps and Brad Keselowski paced the field for 68.
The victory celebration was nearly cut short when Byron’s Chevrolet ran out of fuel during his post-race burnout.
This year’s Iowa Corn 350 Powered by Ethanol once again brings a loaded field to Newton, with several drivers entering the weekend carrying momentum.
Ty Gibbs arrives after one of the hottest stretches of his Cup Series career, while Chase Briscoe returns looking to finish one position better after coming up just short in last year’s fuel-mileage battle. Defending winner William Byron also returns to Iowa hoping to become the race’s first repeat Cup Series winner.
If the 2025 event proved anything, it’s that Iowa Speedway rewards both speed and strategy, meaning Sunday’s race could once again come down to who manages tires, fuel and late-race execution the best.
Continue reading...
Last year’s race produced one of the most memorable finishes of the 2025 season, with fuel strategy ultimately deciding the winner after a caution-filled afternoon.
Here’s everything to know about the 2025 Cup Series race at Iowa before the green flag drops this weekend.
Fuel strategy decided the race
The 2025 Iowa Corn 350 Powered by Ethanol was held on Aug. 3, 2025, and featured 350 laps around the 0.875-mile oval.
After stretching a tank of fuel over the closing run, William Byron drove the No. 24 Hendrick Motorsports Chevrolet to victory, holding off Chase Briscoe by 1.192 seconds.
The win was Byron’s second of the 2025 season and his first since winning the Daytona 500 earlier that year. It also came just one week after fuel mileage heartbreak at Indianapolis, where Byron ran out of gas while battling near the front.
Byron led 141 laps, the most of any driver in the race, while Briscoe led 81 laps and Brad Keselowski paced the field for 68.
The victory celebration was nearly cut short when Byron’s Chevrolet ran out of fuel during his post-race burnout.
2025 Iowa Corn 350 top-10 finishers
- William Byron
- Chase Briscoe
- Brad Keselowski
- Ryan Blaney
- Ryan Preece
- Bubba Wallace
- Alex Bowman
- Carson Hocevar
- Joey Logano
- Austin Dillon
Race stats from last year’s Iowa Cup race
- Race: Iowa Corn 350 Powered by Ethanol
- Date: Aug. 3, 2025
- Track: Iowa Speedway
- Distance: 350 laps (306.25 miles)
- Winner: William Byron (Hendrick Motorsports)
- Winning Margin: 1.192 seconds
- Laps Led: William Byron (141), Chase Briscoe (81), Brad Keselowski (68)
Can someone repeat in 2026?
This year’s Iowa Corn 350 Powered by Ethanol once again brings a loaded field to Newton, with several drivers entering the weekend carrying momentum.
Ty Gibbs arrives after one of the hottest stretches of his Cup Series career, while Chase Briscoe returns looking to finish one position better after coming up just short in last year’s fuel-mileage battle. Defending winner William Byron also returns to Iowa hoping to become the race’s first repeat Cup Series winner.
If the 2025 event proved anything, it’s that Iowa Speedway rewards both speed and strategy, meaning Sunday’s race could once again come down to who manages tires, fuel and late-race execution the best.
Continue reading...
