Dee ihe ọzọ maka paragraf a - Na 2004 Summer Olympics na Athens, Aresti gbasaa usoro ihe omume ya site na iru eru maka ihe omume igwu mmiri abụọ. Ọ kpochapụrụ oge ntinye FINA B nke 51.45 (100 m freestyle) na 1:53.61 (200 m freestyle) site na Akropolis Grand Prix. Na 200 m freestyle, Aresti gbara ndị ọzọ na-egwu mmiri asaa na okpomọkụ nke atọ, gụnyere onye agha Olympic bụ Aleksandar Malenko nke Yugoslavia. O meriri Chen Te-tung nke Chinese Taipei iji were ebe nke isii na nke iri anọ na anọ n'ozuzu site na 0.24 nke sekọnd na 1: 53.90. N'asọmpi nke abụọ ya, 100m freestyle
Aresti nọ n'ọkwa nke iri atọ na asatọ n'asọmpi ụtụtụ a. Na-egwu mmiri na okpomọkụ nke anọ, Aresti mebiri ihe ndekọ Cypriot nke 51.10 iji chekwaa ebe nke abụọ n'elu Ryan Pini nke Papua New Guinea site na 0.01 nke abụọ.