Toughing it out with teamwork

Chinese debut of grueling overnight relay is huge hit, China Daily reports from Zhangjiakou, Hebei province

The "mother of all relays" made its debut in China last weekend - the latest symptom of the running bug that is sweeping the country.

From marathons to more fun-based themed events, such as "mud runs", the nation's burgeoning love affair with running continues to grow.