trained but they don’t have a separate start for women so I enjoyed the company and ran well," she says modestly. It was enough to join Joan Samuelson Benoit on the podium in her age group.Pickvance relishes competition but admits that she’s never been

entered the sport?More and more women are coming into triathlon, and everyone seems to have heard of the sport now. I watched the age group event in Sydney at the weekend and was so impressed at the level of involvement. Even some of my mum’s friends

, but also contains sodium, chloride, potassium, calcium and other minerals.Battle of the sexesMen's sweat glands are more active than women's and men generally sweat sooner. "Also, men have a larger surface area," says Micklewright. "The larger the surface

lowers the concentration of sodium in the blood. In its mild form, hyponatraemia will cause bloating and nausea; in extreme cases it can lead to brain seizure and death.The group most at risk are women. Why? They're smaller and less muscular than men