The 2019 Circle K Firecracker 250 was a NASCAR Xfinity Series race held on July 5, 2019, at Daytona International Speedway in Daytona Beach, Florida. Contested over 100 laps on the 2.5-mile (4.0 km) superspeedway, it was the 16th race of the 2019 NASCAR Xfinity Series season.

Anthony James Allmendinger, nicknamed "The Dinger,” is an American professional stock car racing driver. He competes full-time in the NASCAR Xfinity Series, driving the No. 16 Chevrolet Camaro for Kaulig Racing and part-time in the NASCAR Cup Series, driving the Nos. 16 and 13 Chevrolet Camaro ZL1s for Kaulig Racing.