I have just completed Week 6, and as a non-running 56 year old was amazed to find that I could actually do it. I am sure that it's the slow steady build-up of interval training that has worked for me, and am not sure how well I'm going to manage now that it's just going to be longer runs - eek. Did others find this transition difficult? I guess the answer is that I just need to have confidence in the plan! By the way these forums have definitely helped to keep me motivated and it's great to see all the supportive posts here.