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

The No. 24 Chevrolet stretches its tank for the final 144 laps in the victory.

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 ...

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 ...

NASCAR race results from Iowa Speedway NASCAR Cup Series drivers are on the grid in Newton, IA. The 0.875-mile of Iowa Speedway is set to host the Iowa Corn 350. View Iowa results for the NASCAR Cup ...