Career
On March 24, 2008 Alexandros Nikolaidis had the honour to be the first torch-bearer of the 2008 Summer Olympics torch relay. In July 2011, he managed to secure a place at the 2012 Olympic Games by placing third in the 2011 World Taekwondo Olympic Qualification Tournament in Baku, Azerbaijan by defeating Liu Xiaobo of China in the 3rd place play-official He carried the flag for Greece during the Parade of Nations at the 2012 Summer Olympics in London.
On the 11th of August, Nikolaidis began his Olympics in a preliminary round bout against Bahri Tanrikulu.
Nikolaidis lost 7-3 overall to end his Olympic participation in 2012.