7 a.m. – The 35th annual Possum Trot 10K Race and 1 Mile Fun Run gets under way, benefiting the Chattahoochee Nature Center. The fast and flat course goes along the Chattahoochee River in Roswell, on a smooth, certified path allowing runners to get in condition for the 2013 Peachtree Road Race as well as qualify. Register online at www.active.com, in person at Big Peach Running Company stores or mail to CNC: 9135 Willeo Rd., Roswell, 30075. $28 by May 30; onsite registration, $35 for 10K and $15 for Fun Run. Fun Run begins at 7 a.m. the 10K at 7:30 a.m. Registration limited to 1,500. Call 770-992-2055 x 226 for additional information.