I weighed in at somewhere between 180 - 185 from my early 20s until my early 40s. I tipped the scale at 200 at 45, 220 at 50, and have been hovering between 220 - 230 for the past 5 years. I'd like to get back under 200 in 2010. So I'll need to up my running miles from 10-15 to 15-20 miles per week and drink less beer (Oh, how I dread the less beer part ). Doable? Yes! Count me in for 25 lbs.