Staying slim doesn’t have to mean a diet of lettuce. In fact, if you’re running and looking to stay trim, it’s essential you get the building blocks to rebuild your metabolism-boosting lean muscle. The main ingredient, protein, is packed into meat

Lynn Clay from Maxifuel is a sports scientist, nutrition consultant and freelance journalist with eight years' experience in the nutrition industry. She’s a former AAA gold medallist runner, a keen cyclist and she’s competing in Ironman Austria

but your tanks are empty. Your training was spot-on and your race was going well so what happened? Your nutrition strategy was wrong, that’s what, and now your body is making you pay. It has happened to the best, but the best learn from their mistakes. It