Humanoid robots join runners for half-marathon but some of the droids struggled to find their footing

Twenty-one humanoid robots joined thousands of runners at the Yizhuang half-marathon in Beijing on Saturday, the first time these machines have raced alongside humans over a 21-km (13-mile) course.The robots from Chinese manufacturers such as DroidUP and Noetix Robotics came in all shapes and sizes, some shorter than 120 cm (3.9 ft), others as tall as 1.8 m (5.9 ft).One company boasted that its robot looked almost human, with feminine features and the ability to wink and smile.Some firms tested their robots for weeks before the race.

Beijing officials have described the event as more akin to a race car competition, given the need for engineering and navigation teams.“The robots are running very well, very stable … I feel I’m witnessing the evolution of robots and AI,” said spectator He Sishu, who works in artificial intelligence.The robots were accompanied by human trainers, some of whom had to physically support the machines during the race.A few of the robots wore running shoes, with one donning boxing gloves and another wearing a red headband with the words “Bound to Win” in Chinese.Morning Report and Evening Update: Your source for today's top stories Please provide a valid email address.

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The winning robot was Tiangong Ultra, from the Beijing Innovation Center of Human Robotics, with a time of 2 hours and 40 minutes.The men’s winner of the race had a time of 1 hour and 2 minutes.The centre is 43% owned by two state-owned enterprises, while tech giant Xiaomi’s robotics arm and leading Chinese humanoid robot firm UBTech have equal share in the rest.Tang Jian, chief technology officer for the robotics center, said Tiangong Ultra’s performance was aided by long legs and an algorithm allowing it to imitate how humans run a marathon.“I don’t want to boast but I think no other robotics firms ...