A camel can survive for up to two weeks without a drink in desert conditions. When they do have a chance to drink, they can devour as much as 200 litres of water a day and a third of their body weight inside 10 minutes. Unlike humans, though, camels

.Beware Of The Gas Avoid gas-forming foods such as baked beans and other pulses, cruciferous vegetables (broccoli, Brussels sprouts, cauliflower), bran cereals and spicy foods.Take To The Bottle Keep a water bottle handy so you remember to drink regularly throughout

Tuna and butter bean salad Arrange 2 handfuls watercress (or other salad leaves) and some chopped peppers on a plate. Spoon 100g tinned tuna on top, breaking it up as you go. Scatter over 100g (approx of a 410g can) butter beans. Pour over 1

Tuna and butter bean salad Arrange 2 handfuls watercress (or other salad leaves) and some chopped peppers on a plate. Spoon 100g tinned tuna on top, breaking it up as you go. Scatter over 100g (approx of a 410g can) butter beans. Pour over 1

(with a couple of healthy snacks in between). If three square meals aren't an option, carry a supply of healthy but substantial snacks: bagels with cheese, yoghurt drinks, peanut butter sandwiches or assorted nuts and dried fruit. Plan a light meal

flavanols and is just as good as water for rehydrating you. Scientists have shown that blood levels of protective antioxidants rise significantly within 30 minutes of drinking tea. A study at Kings College, London found that drinking three or four cups a day

with an early-morning drink. Coffee may be a good choice if you’re planning an early run – caffeine can make you feel more alert and wide-awake, and it helps increase endurance – but excessive amounts can increase nervousness, trembling and even trigger

-morning drink. Coffee may be a good choice if you’re planning an early run – caffeine can make you feel more alert and wide-awake, and it helps increase endurance – but excessive amounts can increase nervousness, trembling and even trigger the runner’s trots. It

Fibre 5gFibre 6gSalt 4.8gSalt 1g PizzaDo your waistline a favour and ignore the meal deals that tempt you to eat gigantic portions plus extra garlic bread and gallons of fizzy drink. Expect eight slices of a meat-topped pizza (a so-called medium pizza

Boosting your energy on the run has never been easier. With countless gels, drinks, chewy sweets and even an energy soup on the market, you'll have no trouble finding something to keep you fuelled to the end of even the longest ultra. For many of us