His main challenger was Republican Mitt Romney. There were also third-party candidates on the ballot, such as Libertarian Gary Johnson and Green Party candidate Jill Stein.
Mitt Romney, former governor of Massachusetts and financier vulture capitalist was the Republican who ran against Obama in 2012.
Senator John McCain ran against Barack Obama for what became Obama's second term.
President Obama's vice president is Joseph ("Joe") Biden. Back when Mr. Obama was a senator and running for president in 2008, he selected Mr. Biden, a fellow senator with a lot of experience in foreign policy. They ran together in 2008 and won; and they ran together in 2012 and won again.
George H. W. Bush ran twice, in 1988 and again in 1992. Obama ran in 2008 and again in 2012.
Vice president and former Delaware senator Joe Biden is Obama's running mate in 2012 as he was in 2008.According to an Associated Press report that same evening, Joe Biden was selected as Obama's candidate. The Associated Press report was confirmed several hours later, on August 23, on Barack Obama's official campaign website and by a mass text message to supporters.
Senator John McCain ran against Barack Obama for what became Obama's second term.
Joe Biden has ran for both president and vice president twice. He ran for vice president in 2008 and 2012 and for president in 1988 and 2008.
Although Joe Biden was Obama's Vice Presidential running mate, Hillary Clinton, loser in the primary, became an advocate for Obama, and later his Secretary of State.
In 2012, President Obama was seeking re-election, and his Republican opponent was Mitt Romney, a business executive and former governor of Massachusetts. Mr. Obama defeated him, to win a second term.
Barack Obama won the 2012 presidential election defeating Mitt Romney. In the 2012 presidential election Barack Obama received 332 electoral votes and Mitt Romney received 206 electoral votes. The popular vote totals were Obama 65,446,032 and Romney 60,589,084.
In the 2008 election, Mr. Obama first ran against Hillary Clinton to get the Democratic party's nomination for president. He then ran against the Republican party's nominee, John McCain, and defeated him.
In 2008, Barack Obama won the Democratic nomination by defeating Hillary Clinton. He then went up against the Republican nominee, Senator John McCain of Arizona. Mr. Obama won that election and became president. In 2012, he ran for re-election. His Republican opponent was former Massachusetts governor Mitt Romney; and again, Mr. Obama was the winner.
John McCain