Sandra Aguilar represents her nation at international competitions. She participated at the 2012 Summer Olympics. She competed at world championships, including at the 2013 World Rhythmic Gymnastics Championships winning the gold medal in the 10 clubs event and the bronze medal in the 3 Balls + 2 Ribbons event. and at the 2015 World Rhythmic Gymnastics Championships where she won the bronze medal in the all-around event.