Career
His teammates at Sydney were Branimir Vujević, Nikša Skelin, Siniša Skelin, Krešimir Čuljak, Tomislav Smoljanović, Tihomir Franković, Igor Francetić and Silvijo Petriško (coxswain). Boraska also participated at the 1996 Summer Olympics and at the 2004 Summer Olympics, both time in coxless four discipline. He is also a world record (world"s best time) holder in a coxed pair event since 1994.
Boraska retired from competitive rowing in 2010.
He is the first Croat who participated in both the Summer and the Winter Olympic Games.