The 2010 United States Senate election in Arizona will take place on November 2, 2010 along with other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections. Incumbent Democrat Ed Pastor is running for his first elected term in the Senate, having replaced long-time Senator John McCain upon his election to the presidency in the presidential election of 2008. Former U.S. congressman and radio talk show host, J.D. Hayworth, is the Republican Party and the Tea Party movement's candidate for the Senate seat. The Republican and Democratic primary elections were held on August 24, 2010.