2010 United States Senate election in Utah

Senator Bob Bennett was seeking re-election to a fourth term, but lost renomination at the Republican Party's state convention.

Mike Lee proceeded to win the Republican primary against Tim Bridgewater and the general election against Democrat Sam Granato.

At the Republican convention, incumbent Senator Bob Bennett finished third in balloting among delegates and was eliminated from the race.

[2] At the Democratic convention, delegates nominated businessman Sam Granato, who received 77.5 percent of the vote.

In addition, he criticized Lee for his support of raising the retirement age and for questioning the constitutionality of Social Security.

Results by county:
Lee—60–70%
Lee—50–60%
Bridgewater—50–60%
Bridgewater—60–70%