My $.02: I would not worry *at all* about pace during any portion of the C25K program. In my view the real goal of the program is get someone to be able to run 30 min without stopping. As someone basically said, "success" is being able to run. The program helps you understand how quickly (slowly) to build up, get your body used to the exertion, find your rhythm that you can run consistently and for extended periods of time, etc. Once you can run for 30 mins then you can start messing with pace.
Jim