and on the run. As long as you expect this, you shouldn't have a problem. Armed with your heart rate monitor and a little know-how, you'll be able to avoid overstressing your body in the heat or at altitude. It will help you stay within your limits, and you

works double-time to shift excess heat produced by working muscles during training. As the mercury rises, so does that cooling effort. And if your body struggles to keep up, you can suffer from dehydration or heat illnesses, such as cramp and heat

Getty Images Running in hot, humid weather can be tricky. You’ll be keen to keep cranking out the miles through the summer months, but it’s crucial to protect yourself from sunstroke, heat exhaustion and sunburn – a risk even

, in Stockholm, a Portuguese runner died in the sweltering Olympic Marathon. Many of us remember Gabriele Andersen-Schiess struggling with the effects of dehydration and heat exhaustion in the 1984 Women’s Olympic Marathon in Los Angeles, and staggering across

onions.Cooking Instructions 1 Heat the oil in a wok over a moderate to high heat. 2 Add the beans and prawns, stir-fry for three minutes.3 In a bowl, whisk together the peanut butter, coconut milk, soy sauce, curry powder and 175ml of water. Pour over

-old battle with quantity amongst those in the know. So why not try something a bit different to inject some heat into your winter training schedule – the time trial.The first thing to understand about the time trial is that it’s not a race, or doesn’t have

The ideal sports sunglasses combine aesthetics with functionality. We tested a selection of the best currently on the market right across the price spectrum. Testing CriteriaDurability Are the frames robust? Are the lenses scratch- and grease-resistant?Fit Do they sit properly bo...

evaporation, in the form of sweat, to cool us down. "Our circulatory system is like a radiator to dissipate heat," says Dr Dominic Micklewright, a sport and performance expert at the British Association of Sports and Exercise Sciences. Sweat is mostly water

It's 3am on the night before the final stage and I'm sobbing into my sleeping bag. Like every other night, I'm struggling to sleep because the blisters on my feet are so painful. With only one 17K stage to go, I should be feeling confident that I can finish but I'm in so much pai...

tortillas2-3 tablespoons light olive or vegetable oil 4 large British Lion eggs 1 avocado, finely choppedChilli sauce to serve1 Heat the oil in a small frying pan. Add in the garlic and chilli and stir fry for 1 minute or until the garlic