Senior Services at Memorial Park Community Center, 510 Bert St., will offer Catch the Wave Series Power Walking classes from 8:30-9:30 a.m. This four-week series will include an inside walking program to improve gait and pace. This class is for adults who are able to walk for 20 minutes. Appropriate and comfortable shoes are necessary to participate. Cost is $2 per class, and registration is not necessary. Participants will need to sign in and pay at the Memorial Park Community Center front desk before the start of each class. For more information, call (423) 434-6237.