Austin Dillon wins the Cook Out 400, becoming the first repeat winner in 15 years.

Austin Dillon won the Cook Out 400 at Richmond Raceway, making him the first repeat winner of the race in 15 years. Dillon's victory, his sixth career win, secures his spot in the NASCAR Cup Series postseason. The race saw a dramatic 16-car pileup, and Dillon overtook the lead after a strategic pit stop. His win marks the 14th different winner this season in the series.