NASCAR Xfinity 500 Results & Championship Drama!

NASCAR Xfinity 500 Results & Championship Drama! William Byron dominates the NASCAR Xfinity 500 at Martinsville Speedway, leading 362 laps and sweeping both stages! Discover the complete NASCAR Cup Series race results, Kyle Larson's ninth-place finish, Denny Hamlin's result, and Ryan Blaney's disappointing day. The championship battle now heads to Homestead for the November 8 finale!