Second consecutive event in South American for the Motocross world championship 2016 that in a week he has moved from Argentina to Mexico, for the fifth GP of the season which saw the stars of the motocross world championship faced the circuit built within the city's urban park of Leon, state of Guanajuato. In a weekend characterized by hot humid climate, the MX2 riders had to contend with a super fast Jeffrey Herlings (Red Bull KTM Factory Racing) that riding the KTM 250 SXF supported by Athena GET. "The bullet" got the 52th GP victories in GP and 102th, the moto finished at first place. Herlings leads the championship standings with maximum points. Ranked fourth in the GP overall, Pauls Jonass (Red Bull KTM Factory Racing) who was also aboard his KTM 250 SXF trusts supported by Athena GET. Jonass preceded Aleksandr Tonkov (Wilvo Standing Construct Yamaha Yamalube) which resulted in the race on his Yamaha YZF 250 equipped with the control unit RX1 EVO, the data acquisition system M40 and the innovative Launch Control LC-GPA system. In the main class, Romain Febvre (Monster Energy Yamaha Racing Team) won the first heat in the race bringing his Yamaha YZF 450 equipped with the control unit RX1 EVO, the data acquisition system M40 and the innovative Launch Control LC-GPA system. In race two, the Frenchman finished second and with a same score of the winner, he could not set foot on the top step of the podium for the discriminant of the second position obtained in the final moto. Febvre has confirmed its red plate's leader and continues to lead the championship standings. Not very positive day for Antonio Cairoli (Red Bull KTM Factory Racing) in the race with the KTM 450 SXF supported by Athena GET. The Sicilian could not "face the race" and suffered two not perfect start that forced him to difficult comeback on a track where overtaking was not easy for any rider. Cairoli ended the GP in sixth place and now occupies third place in the championship. Excellent performance for Valentin Guillod (Kemea Yamaha Yamalube) which resulted in the race on his Yamaha YZF 450 equipped with the control unit RX1 EVO, the data acquisition system M40 and the innovative Launch Control LC-GPA system. The Swiss got his best performance in MXGP this season with the seventh place overall in the final standings of GP. Next race, round #06: Kegums, May 01 GP of Latvia.