I had knee pain from week 2 last week but they felt better ( still slightly niggly) after a week of rest. I have just tried running again tonight and I couldn't manage it at all. My knees felt like they were going to snap in two. I am worried now I will never get back to it and I've only just begun. They don't hurt that badly when I'm walking but running is a definite no no. On average how long does it take to feel better from knee pain?