You might say "really, what could a drone do that my watch/phone/iPod couldn't do?" To this end, tthe writer also makes the point that a visible drone would be good for safety, but that the menacingness of the drone should match the task. During a fun run, you want a nice day-glo critter flying around taking pictures and encouraging people. But if you're worried about safety, something that looks more like this guy might be useful.
Grand Prix of New York (4.6 miles/ 7.4 km)
13 minutes ago