The 2010 United States Mixed Doubles Curling Championship was held from December 3–6, 2009 at the Granite Curling Club in Seattle, Washington.
[1] Sharon Vukich and Mike Calcagno won the tournament, earning the right to represent the United States at the 2010 World Mixed Doubles Curling Championship in Chelyabinsk, Russia.
[2] Nineteen teams qualified to compete in the championship.
The 19 teams were split into three pools; each pool played a round robin and at the end the top two teams advanced to the playoffs.
The standings at the end of the round robin phase were:[2] The playoffs consisted of a 6-team bracket with the top two teams receiving byes in the quarterfinals.