2 p.m. – Mark the 12th anniversary of the 9/11 attack on the World Trade Center, Washington, D.C., and Pennsylvania, by joining others at the Ryan P. Means’ American Legion Hall. Run or walk a 5K around Chastain Park, with funds benefitting the American Legion Post 140. $25; $40 race day; $15 for children 17 years and under. 3905 Powers Ferry Rd., Atlanta, 30342. Go to: www.active.com to register or to www.RPM911Race.com for additional information.