To put this in perspective,
1lb of fat contains about 4,000 calories. So, assuming that your weight
is stable (if a little heavy) when you start then you'll need to run a total of about 30-35 miles to lose a pound in weight. The
good news for those who are a bit heavier is that you'll burn the calories a bit quicker (although you may have more to lose!)
We are not suggesting that you suddenly jump in a run this distance each week - but, for weight loss, building up to this from
doing nothing, over a period of, say, 6 months, would put in place a stable, consistent plan for weight loss and maintenance, which
can become a life long thing.
A point to note is that it is often quoted that you shouldn't look to lose more than one pound a week - so if you do run more
than this distance, having built up to it from a sedantry lifestyle, you should be eating MORE food than you were - and you'll still
be losing weight. If you eat too little you leave yourself susceptible to injury and illness - both of which will set your weight
loss plans back significantly.