| Race details | |||
|---|---|---|---|
| Race 18 of 20 of the 2020 ARCA Menards Series Race 10 of 10 of the 2020 Sioux Chief Showdown | |||
 | |||
| Date | September 26, 2020 | ||
| Official name | 4th Annual Sioux Chief PowerPEX 200 | ||
| Location | Memphis, Tennessee, Memphis International Raceway | ||
| Course | Permanent racing facility 0.75 mi (1.21 km) | ||
| Distance | 200 laps, 150 mi (241.401 km) | ||
| Scheduled Distance | 200 laps, 150 mi (241.401 km) | ||
| Average speed | 85.933 miles per hour (138.296 km/h) | ||
| Pole position | |||
| Driver | Joe Gibbs Racing | ||
| Time | 23.219 | ||
| Most laps led | |||
| Driver | Bret Holmes | Bret Holmes Racing | |
| Laps | 135 | ||
| Winner | |||
| No. 18 | Ty Gibbs | Joe Gibbs Racing | |
| Television in the United States | |||
| Network | MAVTV | ||
| Announcers | Bob Dillner, Jim Tretow | ||
| Radio in the United States | |||
| Radio | ARCA Racing Network | ||
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. The race was held on Saturday, September 26, 2020, in Memphis, Tennessee, at Memphis International Raceway, a 3⁄4 mile (1.2 km) tri-oval short track. The race took the scheduled 200 laps to complete. At race's end, Ty Gibbs of Joe Gibbs Racing would hold off the field on the final restart with three to go to win his eighth career ARCA Menards Series win and his sixth and final win of the season. 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]