What began as a small memorial run to honor a soldier killed while saving team members in Iraq has grown into an international event over the past decade.
On that fall day, 2,997 people died as a direct result of the attacks, most of them at the World Trade Center in New York City but others in the attack at the Pentagon and the United Airlines Flight 93 that crashed in Pennsylvania.
From Somerset, Pennsylvania to the Pentagon, and on to New York City, hundreds of motorcyclists will ride next month commemorating the 9/11 attacks, while raising scholarship money for children of first responders.
Recreating the District in video game form was no small task. Here's how the developers did it.