Career
She represented Sri Lanka, as an 18-year-old teen, at the 2000 Summer Olympics, and also held numerous age group and meet records in a sprint freestyle (both 50 and 100 m). Ratnasekera competed only in the women"s 50 m freestyle at the 2000 Summer Olympics in Sydney. She received a ticket from FINA, under a Universality program, in an entry time of 29.90.
Swimming in heat two, she held off a sprint battle against six other swimmers to overhaul a 30-second barrier and hit the wall first in a sterling time and a Sri Lankan record of 29.88.
Ratnasekera"s effortless triumph was not enough to put her through to the semifinals, as she placed sixty-fourth overall in the prelims.