Take steps to be Healthy For Good by supporting the 2017 Mason Dixon Heart Walk. As the signature fundraising event for the American Heart Association, the Heart Walk promotes physical activity and heart-healthy living in a fun family environment. More than 1 million walkers nationwide participate to support research and education about this country’s No. 1 and No. 5 killers – heart disease and stroke. The Mason Dixon Heart Walk is an exciting local edition of this national event. Join us and help make a difference.