Donde qualified for the women's 50 m freestyle, as a 14-year-old, at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA, in an entry time of 29.83. She challenged seven other swimmers in heat three, including 13-year-old Tojohanitra Andriamanjatoarimanana of Madagascar. She posted a lifetime best of 29.47 to take a third seed by 0.14 of a second behind winner Ermelinda Zamba of Mozambique. Donde failed to advance into the semifinals, as she placed fifty-seventh overall out of 75 swimmers on the last day of preliminaries.