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  Udall: 40–50% 50–60% 60–70% 70–80% 80–90% >90% Schaffer: 40–50% 50–60% 60–70% 70–80% 80–90% Tie: 40–50% No votes | |||||||||||||||||
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| Elections in Colorado |
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The 2008 United States Senate election in Colorado was held November 4, 2008. The primary elections were held August 12, 2008.[1] Incumbent Republican U.S. Senator Wayne Allard decided to retire instead of seeking a third term. Democratic nominee Mark Udall won the open seat, making this the first time a Democrat won this seat since 1972, and that Democrats held both Senate seats since 1979.
- ^ "Candidate List for the August 12, 2008 Primary Election" (PDF). Colorado State Government. Archived from the original (PDF) on July 16, 2008. Retrieved June 26, 2008.