Saturday, Oct. 18, 8 a.m. – Support Happy Tails Pet Therapy at their first “Run Your Happy Tails Off 5K and 1-mile Fun Run.” 5K, $25; $20 for Fun Run. Entry fee includes t-shirt. Dog-friendly race through Brook Run Park benefits the organization. Pets must have current vaccinations, license, and be leashed at all times. 4770 N. Peachtree Rd., Dunwoody, 30338. Go to: www.runyourhappytailsoff.com  to register or for information.