Come join hundreds of runners in San Francisco at Golden Gate Park on New Year’s Day for Commitment Day, a nationwide running event where tens of thousands will commit to leading healthy, active lives in 2014 and beyond. Commitment Day is supporting the American Heart Association and its “My Heart. My Life.” initiative, which aims to improve the cardiovascular health of all Americans by 20 percent by 2020 through a focus on healthy eating, physical activity and children’s health.