:Support Your briefs should hold everything firmly in place without being constricting. Wicking The more you sweat, the more likely you are to chafe, so opt for a fabric that moves moisture away from the body, such as polyester, elastane, nylon and Lycra

help to prevent calcium deficiency and osteoporosis There is no evidence that extra calcium prevents osteoporosis; exercise - with adequate calcium intake - prevents bone loss. Runners who eat few or no dairy products may benefit from supplements

good rule of thumb to avoid overheating is to kit yourself out as if it were 10ºC warmer. Wind  affects your body's ability to control its temperature by sweating, so wrap up warm on windy days. A buff will shield your face and keep you breathing

.... What the organisers say:"It's a tough course, with some demanding sections. But the atmosphere is great and the level of suport between the runners is really strong."What RW says:“More mud, sweat and tears, over 8 miles of a fantastic course.”What you

Here's a quick guide to the different types of sports drinkEnergy drinks with electrolytes: the most common, all-round energy drinks. Electrolytes (sodium and potassium) replace the salts lost in sweat and help to reduce cramping, among other things

the environment, you've packed just one shirt for a week away, or you simply can't afford a seven-day running wardrobe. Well, that's the theory. To put it to the test RUNNER'S WORLD undertook a carefully controlled, entirely unscientific experiment - we ran

features such as a ClimaCool ventilation system for moisture transport, and removable foam sweat blockers which our tester found very effective. The lenses come in four colours (grey, orange, silver and clear) giving from 87 per cent to 9 per cent light

of its ‘climate-zones’ that wicked sweat away from the skin via mesh panels on the chest and back. But the cuffs were scratchy compared to the rest of the top. The ‘Nordic Mesh’ fabric of the t-shirt is designed for high-speed wicking to keep skin warm

Here's what to look for:Wicking Opt for socks that contain some or all of Lycra, polyester, nylon or wool. These help wick sweat away, keeping the socks, and your feet, dry and comfortable and helping prevent blisters. Stitching Choose flat seams

.”Andy Blackford is the warped genius behind the last page of Runner's World magazine each month. He's written over 60 columns for Runner's World, and we're going to be uploading a fresh one every week.Check the 'related articles' list below - just don't blame us