The 2018 Whelen Trusted to Perform 200 was the 32nd stock car race of the 2018 NASCAR Xfinity Series season, the third and final race in the Round of 8, and the 20th iteration of the event. The race was held on Saturday, November 10, 2018, in Avondale, Arizona, at ISM Raceway, a 1-mile (1.6 km) permanent low-banked tri-oval race track. The race took the scheduled 200 laps to complete. At race's end, Christopher Bell of Joe Gibbs Racing would dominate the late stages of the race to win his eighth career NASCAR Xfinity Series win, his seventh win of the season, and a guaranteed spot in the Championship 4. To fill out the podium, Daniel Hemric and Matt Tifft of Richard Childress Racing would finish second and third, respectively.