Career
He rounded out the fifth heat to last place and fifty-seventh overall by 0.04 of a second behind Ecuador"s Felipe Delgado in 52.82. By the following year, Papachrysanthou shared silver medals with France"s Julien Sicot in the 50 m freestyle at the 2001 Mediterranean Games in Tunis, Tunisia in 23.06 seconds. At the 2004 Summer Olympics in Athens, Papachrysanthou qualified for the men"s 50 m freestyle by eclipsing a FINA B-standard entry time of 23.04.
He challenged seven other swimmers on the sixth heat, including three-time Olympian Julio Santos of Ecuador.
He edged out Thailand"s Arwut Chinnapasaen to take a fifth spot by a hundredth of a second (001), outside his entry time of 23.51. Papachrysanthou failed to advance into the semifinals, as he placed forty-fifth out of 86 swimmers in the preliminaries.