Tuesday's primaries in Michigan and Arizona have had the GOP candidates crisscrossing the United States to gain supporters votes. Super Tuesday follows exactly a week later with 10 contests (seven primaries, three caucuses) on March 6.
Mitt Romney topped the results Feb. 11 in the Maine Caucus with 39 percent of the vote, followed by Ron Paul at 36 percent, Rick Santorum at 18 percent, and Newt Gingrich at 6 percent.
Santorum made a surprise sweep of the Feb. 7 primaries and caucuses in Colorado, Minnesota, and Missouri.
Click through to follow the candidates on the campaign trail.