Kyle Busch and Austin Dillon were both in action for Richard Childress Racing in the NASCAR Cup Series race at Iowa Speedway ...

Kyle Busch and Austin Dillon's comments on their Richard Childress Racing cars were very different after the latest NASCAR ...

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 ...

Byron went the last 144 laps of the 350-lap race without a stop en route to his second victory of the season — he won the ...

Newton, Iowa. 1. (2) William Byron, Chevrolet, 350 laps, 48 points. 2. (1) Chase Briscoe, Toyota, 350, 41. 3. (5) Brad Keselowski, Ford, 350, 54. 4. (6) Ryan Blaney, Ford, 350, 49. 5. (33) Ryan Preece ...

Fuel mileage has been an issue for William Byron in three races this season, costing him a victory at Michigan and a ...