Papadias won the gold medal in 60 metres at the 1997 World Indoor Championships, in a time of 6.50 seconds (NR). He also finished fourth at the 1996 European Indoor Championships, won the bronze medal at the 1998 European Championships and finished sixth at the 1998 IAAF World Cup.
His personal best time was 10.15 seconds, achieved at the 1998 IAAF World Cup in Johannesburg. This ranks him fourth among Greek 100 metres sprinters, behind Angelos Pavlakakis, Aristotelis Gavelas and Christoforos Choidis, and jointly with Alexandros Genovelis and Konstantinos Kenteris.
- Profile at Sporting Heroes
- All time best Balkan athletes - The Athletics Site