Career
Collaku made his official debut for the 2004 Summer Olympics in Athens, where he competed in the men"s hammer throw. He placed thirty-first in the qualifying rounds of the competition, with a throw of 70.06 metres. At the 2008 Summer Olympics in Beijing, Collaku improved his performance by successfully throwing the hammer into the field on his third and final attempt, at 70.98 metres.
Collaku, however, failed to advance into the hammer throw final, as he placed twenty-eighth overall in the qualifying rounds.
