The aim is to highlight the health benefits of walking and the importance of making streets safe for pedestrians.
The event comes on the heels of a study which finds among major industrialized nations, no one walks less than Americans.
Researchers found that we take an average of 5,000 steps a day.
Compare that to nearly 10,000 steps a day taken by Australians, the walking leaders.
Experts say taking a stroll every day, and walking more around the office are easy ways to get exercise.