Career
He took part at the 2004 Summer Olympics in Athens, Greece. With his throw of 58.17 m, Olgundeniz ranked 28th and could not qualify for the finals. He was ranked 44th in the world best list in 2004 with his personal record of 63.49 metres (Turkish record) set on July 4, 2004 in Istanbul.
In March 2007 in Yalta he improved the record to 64.34 metres.
He competed at the 2007 World Championships, but finished last and did not reach the final. He qualified for participation in the discus throw event at the 2012 Summer Olympics, but did not reach the final.
At the 2013 Mediterranean Games held in Mersin, Turkey, he became silver medalist in the discus event.