Career
Papadopoulos qualified for the men"s 100 m breaststroke at the 2004 Summer Olympics in Athens, representing the host nation Greece. He cleared a FINA B-standard entry time of 1:04.10 from a test event at the Athens Olympic Aquatic Centre. He challenged seven other swimmers on the fourth heat, including four-time Olympian Ratapong Sirisanont (Thailand), who was later disqualified for a false start.
He touched out Senegal"s Malick Fall to take a third spot by 0.07 of a second in 1:04.43.
Papadopoulos failed to advance into the semifinals, as he placed thirty-ninth overall on the first day of preliminaries. At the 2005 Mediterranean Games, he took 8th place in 200m breaststroke.
Papadopoulos also placed fifth in the men"s 200 m breaststroke with a time of 2:11.48 at the World Cup in Berlin, 2005. In 2003 he swam the men"s 200m Breastroke in the World Universiade in Daegu, of Korea finishing eighth in the B-final.
He has broken multiple national records in the breaststroke events and continues to swim to this day.
Furthermore, he has been a finalist in the men"s national OPEN swimming events between 1998-2015. Currently, Papadopoulos takes part in open water marathon and triathlon races and runs a specialised swimming and running store. He was also granted his bachelors" degree in business administration and management at the University of Macedonia, Greece.