he Waterloo Optimist Club’s 21st annual 5K Run and Fun Walk is this Saturday, Aug. 24, beginning at 8 a.m. at Rogers Elementary School, 200 N. Rogers Street. Pre-register at waterloooptimist5krunwalk.itsyourrace.com or register from 6:45-7:30 a.m. on race day. The race will be held rain or shine. For more information, call 618-616-9891 or email russthomas19@gmail.com