This would presumably work as long as your insurance provider doesn't have access to your location or any other means of figuring out that your exercise routine is odd.
"You see, so many people are in to exercise that the restaurant started offering treadmill tables". Though probably more believable to just hang out in the gym lobby with your laptop or a book while your watch does its exercise routine,.
Not exactly what you describe, but SXSW paid a platoon of homeless Austin residents to carry around WiFi access points. IIRC it didn’t go over so well for them in the media, which I personally found odd since they were paying $20/hr and the homeless people probably thought it was a cool way to earn easy money...
