[3] According to archived records of the Hellenic Judo Federation,[4] Kourtelesi's honours in domestic competitions are the following: Kourtelesi represented her home nation Greece at the 2004 Summer Olympics in Athens.

[5] Kourtelesi qualified for the Greek squad in the women's middleweight class (70 kg) at the 2004 Summer Olympics in Athens, by filling up an entry by the International Judo Federation and the Hellenic Olympic Committee, as Greece received an automatic berth for being the host nation.

[5][6] Kourtelesi received a bye in the opening round, but crashed out early in a defeat to Argentina's Elizabeth Copes by an ippon and an ippon seoi nage (one-arm shoulder throw) two minutes and fifty-six seconds into her first match.

[7][8][9] She has represented Greece in the Mediterranean Games three times: in Bari (1997), Tunis (2001) and Almeria (2005).

[2][10] According to the Polydamas sports club, she has won 5 medals: 1 Gold (1988), 1 Silver (1990) and 3 Bronze (1987, 1989, 1990) in the Judo Balkan Games.