 Nyora kupfuurira kweiyi ndima - Kumitambo yeOlympic yezhizha ya2008 muBeijing, Sibello akakwikwidza kechipiri akateedzana naGianfranco mukirasi ye49er. Vaviri ava vekuItaly vakapedza vari pachinhanho chechina mumakwikwi echikwata cheGolden Fleet kuti vawane imwe yenzvimbo gumi nenhatu dzekuenda kumakwikwi eISAF Worlds 2007muCascais, Portugal. Vakapinda mumakwikwi aya vari nhamba yechipiri munyika yose, hama dzaSibello dzakanakidzwa nemakwikwi aya dzikakunda kaviri mumakwikwi echikamu chechitatu nechechina uye dzikawana mamakisi mashanu okutanga kuti dziwane menduru. Vakarara vari mumhanyi wechipiri, vakarwa neAussies kumberi pasi pemamiriro ezvinhu ane mhepo, kusvikira chikepe chavo chakapunzika pamutambo wekupedzisira wekuputika kwemhepo vachirega vashandi veSpanish, veGerman, uye veBritish vachivapfuura. VaItaly vakapfuura mutsetse wokupedzisa vari vechina uye vakapotsa vakundikana kusvika pachigaro chokupembera nemusiyano muduku wemapoinzi mashanu, vachiunganidza mapoinzi makumi matanhatu nematanhatu. 