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

of heat illness HEAT EXHAUSTIONCause Failing to replace fluids and electrolytes when dehydration sets in.Symptoms A core body temperature of 102°F to 104°F, headache, fatigue, profuse sweating, nausea, clammy skin.Action plan Apply a cold pack on the head

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

crashed. He now believes he did too many hard 20-milers in the heat. "I was exhausted from the first step of the marathon," he says. He finished 15th in 2:14:19.HydrationEveryone knows drinking fluids is supposed to help you run faster. But you have

chopped,1 garlic clove, crushed,1.5 litres vegetable stock,100g macaroni,125g French beans,200g Birds Eye Soya Beans,55g petit pois,2 ripe tomatoes, chopped,2 tablespoons pesto Cooking Instructions 1 Fry the onion in the oil for five minutes. Add

Rest 5K t-trial run at estimated half-marathon pace 6M/10M/16M 17M/29M/48M WK 7 3M/4M/6M jog Rest/Rest/7-9M Tempo Run 4M/7M/10M steady Rest/4M/5M jog Rest 2M/5M/9M jog then 5K t-trial at just faster than marathon pace

?Protection Do they perform their basic function – providing adequate UV and glare protection from the sun? Adidas A170 Adizero, from £120 Contact adidas

heat with the humidity in the UK."Tim Don, 2006 ITU World Champion"At the 2005 World Championships in Japan I collapsed on the run through heat exhaustion. The lake was about 30°C, which I didn't take into consideration. Also, the bike was harder than I

the corn tortillas in them for 20-30 seconds on each side and lay two on each plate.4 When toasted put the oil in the pan and fry the eggs for 1-2 minutes, basting the yolks with the hot oil as you go.Many thanks to British Lion Eggs for providing

Preparation: 25 minutes 60ml olive oil 2 leeks, sliced Salt and ground black pepper 240ml dry white wine 240ml vegetable stock 1/2 tsp chopped fresh thyme or tarragon 2 boneless chicken breasts 3 large potatoes, cut into 3cm cubes 2 medium carrots