For the first time in 17 years, the NASCAR Xfinity Series is back in action in Mexico City with the Chilango 150 on Saturday (4:30 p.m. ET, The CW, MRN Radio, SiriusXM NASCAR Radio). ENTRY LISTS: Cup Series | Xfinity Series Several Cup Series regulars will be in the field,

Mexico's Autódromo Hermanos Rodríguez is about 7,500 feet above sea level and the thinner air will impact engines.

The Cup Series will host a points-paying race outside the United States in Mexico City on June 13–15 for the Viva Mexico 200 race. It will be the first NASCAR Cup Series points-paying race held in Mexico.