The 2013 Lamar Hunt U.S. Open Cup Final was the 100th edition of the Lamar Hunt U.S. Open Cup, the oldest ongoing competition in American soccer. The match featured Major League Soccer (MLS) teams D.C. United and Real Salt Lake. It was played on October 1, 2013, at Rio Tinto Stadium in Sandy, Utah, a southern suburb of Salt Lake City. It was the first Open Cup final to be held in the state of Utah. The final score was D.C. United 1, Real Salt Lake 0. This was D.C. United's third title.