Career
She represented Turkey, as a 16-year-old, at the 2000 Summer Olympics, and held a total of 25 Turkish records in swimming, including the 200 m butterfly. Diker competed only in the women"s 100 m butterfly at the 2000 Summer Olympics in Sydney. She challenged six other swimmers in heat two, including two-time Olympians Hsieh Shu-ting and María del Pilar Pereyra.
Coming from fourth at the final turn, Diker held off a sprint battle from Pereyra by a tenth of a second (010) to grab a third seed in 1:04.65.
Diker failed to advance into the semifinals, as she placed forty-second overall on the first day of prelims.