Ultramarathon tragedy highlights perils of slapdash preparations, safety lapses

An investigation report on the Gansu ultramarathon tragedy that killed 21 runners shows that organisers were woefully unprepared for contingencies and completely out of their depth.

While the tragedy has prompted a nationwide suspension of mass events and extreme sports amid a safety review, there are fears that heightened regulations, which will almost certainly be implemented, could choke a flourishing amateur running scene.