Cerqueda qualified for the women's 100 m freestyle at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA. Four months before the Games, she posted an invitation time of 1:00.62 at the European Championships in Madrid, Spain. She topped the first heat against Burundi's Larissa Inangorore and Benin's Gloria Koussihouede by a wide margin of 23 seconds, in her lifetime best of 1:00.38. Cerqueda failed to advance into the semifinals, as she placed forty-eighth overall in the preliminaries.