The 2010 Colorado gubernatorial election was held on Tuesday, November 2, 2010 to elect the Governor of Colorado, who would serve a four-year term that began in January 2011. John Hickenlooper won the race with over 50% of the vote. Incumbent Democratic Governor Bill Ritter announced that he would not run for re-election in 2010. Dan Maes claimed the Republican nomination in the primary with 50.6% of the vote and a 1.3% margin over rival Scott McInnis. In claiming victory, Maes called on Constitution Party candidate and former Republican Congressman Tom Tancredo to "stop your campaign tonight." John Hickenlooper was unopposed for the Democratic nomination.