FIA just released the provisional calendar of 2016 World Endurance Championship, with 9 races. Mexico will have a race on September 4th.
After the remodeling of the Autódromo Hermanos Rodríguez for the Formula 1, other important race series are interested in race there, yesterday was the IndyCar Series, and today FIA WEC announces that they will run a 6 hours race in 2016.
Provisional calendar
17/4: 6 hours of Silverstone
3/5: 6 hours of Spa-Francorchamps
18-19/6: 24 hours of Le Mans
24/7: 6 hours of Nürburgring
4/9: 6 hours of Mexico City
17/9: 6 hours of Austin (Lone Star Le Mans)
16/10: 6 hours of Fuji
6/11 6 hours of Shanghái
19/11: 6 hours of Bahrain