The 2019 Coke Zero Sugar 400 was a Monster Energy NASCAR Cup Series race that was held on July 7, 2019 at Daytona International Speedway in Daytona Beach, Florida. Contested over 127 of the scheduled 160 laps on the 2.5-mile (4.0 km) superspeedway, it was the 18th race of the 2019 Monster Energy NASCAR Cup Series season. The race was postponed from Saturday, July 6 to Sunday, July 7, due to rain. 20-year-old Justin Haley won the race, recording his first career Cup Series win and the first for Spire Motorsports after the race was called due to rain.