Kyle Busch had just posted the second-fastest lap in Group A in Saturday’s NASCAR Cup Series practice at Iowa Speedway when calamity struck.

Iowa Speedway's aging asphalt shifts grip levels, setting up unpredictable action for Sunday’s NASCAR Cup race (3:30 p.m. ET, USA Network).

Sam Mayer scored his first victory of 2025 and first for Haas Factory Team in Saturday's NASCAR Xfinity Series race at Iowa Speedway.

Jesse Love talks through what happened late in the Xfinity Series race at Iowa the led to him missing out on the win after starting from the pole.