The 2010 Arizona state elections were held on November 2, 2010, with primaries on August 24, 2010. These include gubernatorial and both sides of Congress. A special election was also on May 18 for Proposition 100.
John McCain announced his plans to run again for Senate on November 25, 2008, just 21 days after losing the 2008 presidential race. McCain faced a primary challenge from former representative J.D. Hayworth, and Jim Deakin. The Democratic candidates were Rodney B. Glassman, Rudy Garcia, and John Dougherty.
In the general election, the candidates were incumbent John McCain (R), Rodney Glassman (D), Jerry Joslyn (G), and David Nolan (L).
Elections were held for all Arizona's congressional districts, with elections in the 1st, 3rd, 5th, and 8th congressional districts being among the more heavily contended.
Republic John Shadegg, the incumbent in the 3rd district, announced that he would not seek re-election on January 14, 2010. On the Republican side, Ben Quayle, son of former vice-president Dan Quayle, announced his on February 12, 2010, despite never voting in a local election. Other notable Republicans in the race include former state representative Sam Crump, former state senators Pamela Gorman and Jim Waring, and former Paradise Valley Mayor Vernon Parker. The only Democrat in that race is Jon Hulburd.