Running

Well, I think I have lost my mind... I went to the gym on Sunday for a retest of how much I weigh, and how much muscle vs. fat I have. I was talking to the trainer and I mentioned that I would like to SOMEDAY RUN a 5K. What was I thinking??
I am now signed up with a personal trainer to get me in shape and start to train for my 5K. I want to do it before my 30 birthday (which is in December). I called my cousin and asked her if she would run it with me. She said no problem. She has done them before, so it will be easy for her. I am going to try to run across the finish line.
I am starting to run on the treadmill for now, but I want to get to outside running soon before the weather gets too cold.