A tragedy high on a Chinese mountain was a wake-up call for China's booming marathon industry
by from CNN.com - RSS Channel - App International Edition on (#5JDDE)
When Zhang Xiaotao set off last weekend on a 100-kilometer (62-mile) ultra-marathon through the jagged mountains of northwestern China, he didn't know he was embarking on one of the deadliest journeys in the country's sporting history.