The 2018 WGC-Mexico Championship was a golf tournament played March 1–4 at Club de Golf Chapultepec in Naucalpan, Mexico, just west of Mexico City. It was the 19th time the WGC Championship was played, and the first of the World Golf Championships events to be staged in 2018. The approximate elevation of the course's clubhouse is 2,400 meters (7,870 ft) above sea level. Phil Mickelson won the tournament on the first playoff hole; it was his first tour victory in over 4½ years, since The Open Championship in 2013.