Derya Büyükuncu
Derya Büyükuncu is the only Turkish athlete who has served the national team for 27 years in the history of Turkish sports. Between 1985 and 2012, he broke the swimming record 500 times and took part in the national team 500 times. Her trainer is Zehra Büyükuncu. The national record holder swimmer swam his first national race at the age of 9.