After a great weekend away with old friends, I now have to acknowledge that the marathon is this month. In fact it’s less than four weeks away. This is of grave concern for me, especially as I am yet to run further than 16 miles. Went out this evening shortly after getting home. Such was my enthusiasm when I realised my knee seemed to be bearing up, I ran far too fast (for me – it would be everyone else’ warm up pace) and then had to stop and walk. I’m not sure the burger and chips and trio of…