The 2010 United States Senate election in Missouri took place on November 2, 2010, alongside 36 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. Primary elections were held on August 3, 2010. IncumbentRepublican U.S. Senator Kit Bond decided to retire instead of seeking a fifth term. Republican nominee Roy Blunt won the open seat.[1]