Tuesday will mark four years since five service members were shot and killed in a terrorist attack here in Chattanooga. Saturday there will be several events to honor the fallen five including the Heroes Run, a ruck event, and the NoogaStrong Memorial Ride. There are some changes this year. The ride will begin at 1400 East 23rd Street. Registration is at 8. Ride Starts at 11 and finishes at White Lighting Harley Davidson.