Clubs regularly attend races as a teamThe days when running clubs were the sole preserve of ultra-competitive elite racers hell-bent on crushing the opposition at all costs and putting in more hours than Geb or Paula are thankfully long
and maintain a reasonable pace, you still only have about 2,000 calories worth of glycogen stored in your muscles – enough to get most runners to about mile 18 or 20," he says. "As glycogen reserves are used up and fatty acid metabolism increases, your heart
