Wise runners, I need your knowledge!
Here's the thing, I'm older (tho' that's just a big, fat number), I'm 'on the change' as we disaffectionately call it here in blighty, and I'm a running rookie with only 2 months on the road & mill, but I'm a strong mesomorph (albeit a bit out of shape right now) and I have no health issues, so why does it take me a good…