. A runner will land on each leg between 500 and 1,000 times per mile. "Risk factors unique to the growing child are numerous," says Daniels. Children who run are at a high risk of stress fractures, which are caused by high mileage and intensity

to cover a kilometre. No one else would ever have even thought it possible to run around the world unsupported, taking in a Siberian and Alaskan winter along the way. But she embraced the challenge and revelled in it. Despite stress fractures in both legs

’ll be waiting too long…‘This time last year I didn’t know what over-pronation meant, I thought shin splints were fractures and those people I drove passed on a Saturday morning dripping with sweat, red-faced, running god knows where…well I won’t tell you what I