The world’s fastest human in the half-marathon is still just that, but the Ugandan’s record time of 57 minutes, 20 seconds, was obliterated Sunday in Beijing by a 5-foot-5 humanoid robot named Lightni...

An autonomous scarlet robot named “Lightning” finished a 13-mile race in Beijing on Sunday in just 50 minutes and 26 seconds, less than half the time of last year’s fastest robot, which took two hours...

This year's half-marathon hosted more than 100 competitors, with first place going to Honor, better known for its smartphones, and its red-clad robot named Lightning.