Tatiana Calderón added another victory to her extensive international racing résumé by claiming the overall GT Challenge de las Américas win at the Guyana Grand Prix alongside Guatemalan teammate Juan Diego Hernández and Nacent Racing, overcoming a last minute car change and mixed weather conditions. Photo credits: GT Challenge de las Americas Tatiana Calderón added another victory to her extensive international racing résumé by claiming the overall GT Challenge de las Améric