|World Indoor Championships|
|2004 Budapest||60 m|
|European Indoor Championships|
|2000 Ghent||60 m|
Born in Athens and raised in Kozani, he finished sixth at the 1998 European Indoor Championships, won the silver medal at the 2000 European Indoor Championships, finished seventh at the 2001 World Indoor Championships and won the bronze medal in at the 2004 World Indoor Championships. He also competed at the Olympic Games in 2000 and 2004, the World Championships in 1999 and 2003 and the World Indoor Championships in 1999 World Indoor Championships and 2003 World Indoor Championships without reaching the final round.
His personal best at 60 metres is 6.51 seconds, achieved at the 2000 European Indoor Championships in Ghent. His personal best in 100 metres is 10.17 seconds, achieved during the 2003 World Championships in Paris. This time ranks him eighth among Greek 100 metres sprinters.
|1998||European Indoor Championships||Valencia, Spain||6th||60 m|
|1999||World Indoor Championships||Maebashi, Japan||9th (sf)||60 m|
|2000||European Indoor Championships||Ghent, Belgium||2nd||60 m||6.51 PB|
|Olympic Games||Sydney, Australia||9th (sf)||4 × 100 m relay||38.80|
|2001||World Indoor Championships||Lisbon, Portugal||7th||60 m|
|2002||European Championships||Munich, Germany||final||100 m||DQ|
|2003||World Indoor Championships||Birmingham, United Kingdom||13th (sf)||60 m|
|World Championships||Paris, France||17th (h)||100 m||10.25|
|2004||World Indoor Championships||Budapest, Hungary||3rd||60 m||6.54 SB|
|Olympic Games||Athens, Greece||34th (h)||100 m||10.36|
- Georgios Theodoridis Archived June 11, 2015, at the Wayback Machine. Sports Reference. Retrieved on 2015-01-08.
- 1998 European Indoor Championships, men's 60 m final - Die Leichtatletik-Statistik-Seite
- All time best Balkan athletes Archived January 15, 2014, at the Wayback Machine - The Athletics Site
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