If transition is triathlon's fourth discipline, nutrition should be the fifth. Making fuelling mistakes could mean your race ends in disaster. And the longer the event, the more critical your food and drink strategy becomes. But it's not easy

for you on race day. So I would say that the more time you have to try different sports bars, gels, energy drinks and timings, the better. As well as thinking about which carbohydrate you'll take on board during the race this is also a good time to plan

. "Training rides are prime opportunities to practise race-time eating and drinking strategies," says Eberle. Once you discover a winning formula, you'll approach your next triathlon with a foolproof plan.Change it: Test new foods on shorter rides before

-hour ride or two-hour run will burn more carbs than a long recreational ride or even a one-hour race. Consume about one gram of carbohydrate per 400g of body weight. The harder you ride, the more glycogen (carbs) you require."You need plenty of energy

With three disciplines to consider, it's easy to make mistakes when you're eating and drinking during training and racing. That's the bad news. The good news is that it's easy to avoid triathlon's common nutritional pitfalls if you plan ahead

sprint triathlon. Part of the way round I completely ran out of energy and my time was terrible. For my next race I had porridge for breakfast and finished in a great time."There are certain things to bear in mind with regard to eating before training

One of the long-enduring and rarely questioned traditions associated with triathlon events of all kinds is the substantial pasta dinner the evening before race day. After all, who doesn't believe in the hearty, turbo-fuelling advantages of eating a