8 a.m. – The BA 5K Run/Walk & Tot Trot is the premier fundraising event for the Sydney Moss Fund, established to support biliary atresia (BA) research at the Johns Hopkins Pediatric Liver Center and the Children’s Healthcare of Atlanta Liver Disease program. $30. Free for Tot Trot (ages 5 and under). Tot Trot begins at 8:45 a.m. Race starts/finishes at Village Burger, 1426 Dunwoody Village Parkway, Dunwoody, 30338. To learn more and to register, go to: www.ba5k.org.