Whenever I go, I eat a small meal of carbs 2 hours before starting and have a few drinks of water up until an hour before.

Alternatively you could have 3 raw eggs in a milkshake every morning and listen to "eye of the tiger" a lot

Least you havent left it toooooo late! (I'd sponsor you if I had some money )
Best thing for running IMO is to always go with someone else! I dont think Id go more than a mile on my todd