The barefoot running movement is fast picking up speed thanks to health benefits such as fewer injuries, increased flexibility and strength. Running on level grass is best and city-dwellers may want to think about investing in Vibram's FiveFingers running shoes lest you step on dog poo, broken glass or worse. Perfect for: Runners looking for extra motivation - Runner's World expert Greg McMillan recommends jogging barefoot once or twice each week about the distance of one to three laps. FiveFingers running shoes, £98.99 from vibramfivefingers.it. For more on barefoot running visit RunningBarefoot.org.Do more: Want to help a fellow runner? Andrew Jackson is running 100 miles in four days to raise awareness of CRY, a charity close to his heart. Sponsor him here.