Ku qor sii wadida cutubkan - Melachroinou wuxuu u tartamay kooxda Giriigga laba jeer oo shimbir ah ciyaarihii Olombikada Xagaaga ee 2000 ee Sydney. Waxay ku guuleysatay heerarka FINA B ee 1:01.50 (100 m balastar) iyo 2:15.24 (200 m balastar) oo ka socota Horyaalka Yurub
waxaan ku noolahay Helsinki, Finland. Maalintii ugu horreysay ee Ciyaaraha, Melachroinou wuxuu kaalinta 34aad ka galay orodka 100 mitir ee dabaysha. Waxay dabaashay heerkulka seddexaad, waxay ka gudubtay Koonfurta Kuuriya Lee Bo-eun oo ku taal qeybta ugu dambeysa si ay u qabsato kaalinta labaad 16-boqolkiiba labaad 1:02.06. Saddex maalmood ka dib, 200 m balastar, Melachroinou wuxuu soo bandhigay wakhti toddobaad oo ah 2:17.60 si uu uga hortago tartanka orodka ee Singapore ee Christel Bouvron qeyb yar oo ilbiriqsi ah oo ka mid ah qaybta labaad, laakiin wuxuu ku dhammaaday meel ka fog garoonka semi-finalka isagoo leh dadaal soddon iyo kow ah.