Idea of Treadmill Icon
There is a bathroom symbol man in the position of right foot down and left food behind in a running pose. he is on a fattened elliptical that goes around to points to symbolize a treadmill, and there is a slant hat T that sticks strait up in a set of handle bars.
This page contains the Treadmill vector icon, as well as variations of this icon in different visual styles, and related icons. All icons are in the flat vector style, however, differ by the line thickness, fill, and corner radius.