I've been on the treadmill a lot because I've had to stay on call. I did a slow 18mile run yesterday on it. One of the things I read was this thread. Love the playfull banter. Made me smile a lot. I would have rather been outside in the sun though.
Yes. They do have a system to make it fairer. I think they take your weight and gender into account. You get your adjusted time as well as your actual time.