Polls have been tight between the Progressive Conservatives (PCs) and the Liberals through the campaign, though there are signs that Hudak's party may be making inroads after he was widely seen as the winner of the leaders' debate.
But how much do we really know about the leader of the PCs? Where did he come from and what makes him tick?
Here are six things to know about Tim Hudak heading into the election.
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With files from The Canadian Press