Mezue ahịrịokwu na-esonụ: Youssef gbara asọmpi naanị na
100 m freestyle ụmụ nwoke, dịka onye dị afọ 15, na 2000 Summer Olympics na Sydney. Ọ natara ebe a na-ahụ maka ụwa niile site na FINA, na-enweghị izute oge ntinye. Ọ gbara ndị ọzọ na-egwu mmiri isii na okpomọkụ nke abụọ, gụnyere onye ibe ya dị afọ iri na ise Ragi Edde nke Lebanon. O mechiri egwuregwu ahụ wee nọrọ n'ọkwa ikpeazụ na oge kachasị mma nke 1:02.45, ihe fọrọ nke nta ka ọ bụrụ sekọnd itoolu nke onye ndu Gregory Arkhurst nke Côte d'Ivoire. Youssef enweghị ike ịga n'ihu na ọkara ikpeazu, ebe ọ nọ na nke iri asaa n'ozuzu na prelims.