The 2020 O'Reilly Auto Parts 300 was a NASCAR Xfinity Series race held on October 24, 2020. It was contested over 200 laps on the 1.50-mile (2.41 km) oval. It was the thirty-first race of the 2020 NASCAR Xfinity Series season, the fifth race of the playoffs, and the second race in the Round of 8. Joe Gibbs Racing driver Harrison Burton collected his third win of the season.

Texas Motor Speedway is a speedway located in the northernmost portion of the U.S. city of Fort Worth, Texas – the portion located in Denton County, Texas. The track measures 1.5 miles (2.4 km) around and is banked 24 degrees in the turns, and is of the oval design, where the front straightaway juts outward slightly. The track layout is similar to Atlanta Motor Speedway and Charlotte Motor Speedway (formerly Lowe's Motor Speedway). The track is owned by Speedway Motorsports, Inc., the same company that owns Atlanta and Charlotte Motor Speedways, as well as the short-track Bristol Motor Speedway.

Chase Briscoe was awarded the pole based on competition based formula.

Stage One Laps: 45

Stage Two Laps: 45

Laps: 110