between achieving a personal best or even failing to complete the race.The build up: the days leading up to the raceCarbohydrates are the major energy source for moderate to high-intensity activity and it is crucial you increase the carb intake in your

with wooden spoons. Water stops were regular and well-manned with energy jellies, gels and isotonic drinks handed out at well-thought-out intervals.It is a shame the course doesn't take in any of Manchester city centre, but rather loops from Trafford, through

with naturally occurring nitrates. Taken for three days before an event, the gels up the efficiency of your oxygen-delivery systems, boosting your endurance. So much so, you had plenty of energy left to cast your votes for thisBEST WOMEN’S APPARELNIKEThe Swoosh

friends and family, but you’re all on your own. You go through low spells when you’re in the middle of nowhere in a remote forest, you’re low on energy and when you can't get your head around finishing the day. It’s as with any run really, you start out