Smart tracks and 'smog jogs': the rapid rise of Shanghai's running clubs

With facial-recognition running tracks and an over-subscribed marathon, Shanghai is fast becoming a city of joggers - despite its notorious air pollutionOn a clear, balmy night in Shanghai, a group of lycra-clad runners stretch their hamstrings in the city's Xuhui district, sporting an array of headphones, water bottles and Fitbits. The group, known as RunnersHai, are meeting for their weekly training - half are practising for a marathon, others are just in it for the exercise."Running in Shanghai initially seemed like an impossible challenge - even walking the streets is dangerous because of cars and other vehicles," says Wang Hui, 26, from Anhui. "But with other runners, we can find better locations together for running." Continue reading...