If the perp is wearing a backpack, you may reconsider plain running as a first tactic.
Running from a 32 year old, even with a backpack, may not be an option for the older citizens.
And there is the moral issue of running for your life. Sure. sometimes it makes overall sense to leave the area. However, people get tired of running, and it makes for a better society when men stand hard against this kind of BS out there.