Kammala jumla mai zuwa: A Wasannin Olympics na 1988, tare da abokin aikinsa Arvydas Sabonis, Marčiulionis ya jagoranci manyan 'yan wasan USSR zuwa lambar zinare. Tare da manyan 'yan wasan kasar Lithuania, ya lashe lambar tagulla biyu a wasannin Olympics na bazara, a 1992 da 1996. Ya kasance memba na All-Tournament Team, babban mai zira kwallaye, kuma MVP na EuroBasket 1995, kuma an zabe shi zuwa All-EuroBasket Team a
A shekara ta 1987.