The 2019 Camping World 300 is a NASCAR Xfinity Series race held on June 29, 2019, at Chicagoland Speedway in Joliet, Illinois. Contested over 200 laps on the 1.5-mile (2.4 km) intermediate speedway, it was the 15th race of the 2019 NASCAR Xfinity Series season.

Chicagoland Speedway is a 1.520 mi (2.446 km) tri-oval speedway with a curved backstretch in Joliet, Illinois, southwest of Chicago. The speedway opened in 2001 and actively hosted NASCAR racing including the NASCAR Cup Series until 2019. Until 2010, the speedway has also hosted the IndyCar Series, recording numerous close finishes including the closest finish in IndyCar history. The speedway is owned and operated by NASCAR.