President Obama delivered remarks at a campaign rally in Golden, Colorado at Golden Community Center in Lions Park.
According to Associated Press, Golden - which lies in Jefferson County - is home to more than a half-million voters. The county may be the "most intense battleground in Colorado." Jefferson County went for Obama in 2008, after having supported former President George W. Bush in 2004.
On Wednesday, President Obama held a campaign event at the Cashman Center in Las Vegas.