Runners honor victims of 9/11 by completing 3-day, 240-mile run from Pentagon to Ground Zero

In order to pay tribute to those lost in the attacks on Sep. 11, 2001, over 60 runners will complete a 240-mile run from the Pentagon to Ground Zero on Tuesday. The Promise Run is a relay that tests the physical mettle of its runners, but as they say, the physical discomfort is made well worth it by the cause.