Ultra runner Susie Chan has set a new 12-hour treadmill world record with the support of sport science and exercise experts. The 40 year old, from Farnham, Surrey, ran a total distance of 68.54 ...

People who took part in the study who completed a 3km treadmill time trial in a state of hypohydration – a decrease in body water – were 6 per cent slower on average.