John McCain campaigned in the 56th quadrennial presidential election.
He was the Republican nominee for the 2008 U.S. presidential election .	Republican	Republican Party (United States)	nominee	presidential nominee	2008 U.S. presidential election	United States presidential election, 2008
The United States presidential election of 2008 was the 56th quadrennial presidential election .	presidential election	United States presidential election
Democratic Party nominees Barack Obama , a U.S. Senator from Illinois , and his running mate Joe Biden , a long-time U.S. Senator from Delaware , defeated Republican Party nominees John McCain , a long-time and current U.S. Senator from Arizona , and his running mate Sarah Palin , a Governor of Alaska .	Barack Obama	Barack Obama	Illinois	Illinois	Joe Biden	Joe Biden	John McCain	John McCain	Arizona	Arizona	Sarah Palin	Sarah Palin	Democratic Party	Democratic Party (United States)	U.S. Senator from Illinois	List of United States Senators from Illinois	U.S. Senator from Delaware	List of United States Senators from Delaware	Republican Party	Republican Party of the United States	U.S. Senator from Arizona	List of United States Senators from Arizona	Governor of Alaska	List of Governors of Alaska	Democratic	Democratic Party (United States)
This election also made McCain currently the only Senator who previously served as a presidential nominee and still remains incumbent , after John Kerry 's resignation from the U.S. Senate in 2013 .	John Kerry	John Kerry
