By Ben Sin
February 26, 2014


The fourth annual “Naked Pig Run” took place in Beijing’s Olympic Park last Sunday, and although the city’s smog levels were even higher than usual (that's saying a lot), over 300 runners braved the toxic air.

The rule of the run is simple – you run in your underwear, nothing else.

But when the air is just that bad, event organizers allowed runners to bend the rules a little regarding running attire:

[Photos from

China Daily Weibo

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