The 2019 Drydene 400 was a Monster Energy NASCAR Cup Series race that was held on October 6, 2019 at Dover International Speedway in Dover, Delaware. Contested over 400 laps on the one-mile (1.6 km) concrete speedway, it was the 30th race of the 2019 Monster Energy NASCAR Cup Series season, the fourth race of the Playoffs, and the first race of the Round of 12. The race was Larson's first win of the season.