In the Pan American Weightlifting Championships 2016, held in Colombia, she took first place. In that competition she lifted a total of 244 kilos, tying with the Colombian Valoyes, but the lower weight of the Chilean won her the gold medal.[4]
Days later, Chilean Weightlifting Federation confirmed her for the Olympic Games in Rio de Janeiro 2016.[5]
At the Olympics in Rio de Janeiro, Valdes finished seventh in the final of the under 75 kilos category, lifting 107 kilos in the snatch, and 135 in the clean and jerk, totaling 242 kilos.