William Byron fought off fuel worries in the closing laps to win the NASCAR Cup Series race Sunday at Iowa Speedway. Byron ...

10. (18) Austin Dillon, Chevrolet, 350, 28. 11. (28) Ross Chastain, Chevrolet, 350, 26. 12. (4) Austin Cindric, Ford, 350, 42. 13. (12) Josh Berry, Ford, 350, 29. 14. (8) Chase Elliott, Chevrolet, 350 ...

William Byron nursed his No. 24 Hendrick Motorsports Chevrolet home on fuel to win Sunday's Iowa Corn 350 Powered by Ethanol at Iowa Speedway in Newton, Ia.

There at the end, I was running William down. I thought I was really in the catbird seat there, and I just got there and kind ...

Byron made his final pit stop on Lap 206 of 350 on the 0.875-mile oval, where the pit window is estimated at about 110 ...

Briscoe, Keselowski, Ryan Blaney and Ryan Preece rounded out the top five. Here is the full finishing order: The Iowa Corn 350 came down to fuel. The question in the closing laps: Did leader William ...