Career
His early racing career saw him compete in Formula Renault in Mexico and the United Kingdom. In 2005 he entered two rounds of the FIA World Touring Carolina Championship for GR Asia in a SEAT Toledo, with a best placed finish of fifteenth in his home race at Puebla. Mastretta went on to race in the 2006 Champ Carolina Atlantic Series, for five races, with a best result of sixth in Cleveland, Ohio.
Complete World Touring Carolina Championship results
(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap).
