The 2020 Sioux Chief PowerPEX 200 was the 18th stock car race of the 2020 ARCA Menards Series, the tenth and final race of the 2020 Sioux Chief Showdown, and the fourth iteration of the event.

Meanwhile, second-place finisher, GMS Racing driver Sam Mayer, would narrowly hold off Gibbs by 5 points to win the inaugural Sioux Chief Showdown championship.

[1] Memphis International Raceway (formerly known as Memphis Motorsports Park) is an auto racing park located near the Loosahatchie River in Shelby County, Tennessee, United States, just approximately ten miles south of Millington, and a few miles north of the city of Memphis.

The 4,400-foot (1,340 m) drag strip hosts events such as International Hot Rod Association (IHRA) World Finals and Nitro Jam, Professional Drag Racers Association (PDRA), HOT ROD Power Tour, Super Chevy Show, Fun Ford Series and Mega Mopar Action Series.

[2] Qualifying was held on Saturday, September 26, at 4:00 PM EST.