If he fell a speeding 4x4 or DHL van would flatten him.
There are tossers in such things as I've never seen before around here, had a sudden surge of middle-aged types dressed in identical jogging outfits, lycra oldies on new bikes and so on. I used to be able to go weeks without seeing anyone other than postman.
Thinking of getting a bigger dog for the joggers, shift them along a bit.