Robots Race to Finish in Beijing's First Half-Marathon

STEP by mechanical step, dozens of humanoid robots took to the streets of Beijing early on Saturday, joining thousands of their flesh-and-blood counterparts in a world-first half marathon showcasing China's drive to lead the global race in cutting-edge technology.

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The 21-kilometer (13-mile) event held in the Chinese capital's E-Town—a state-backed high-tech manufacturing hub—was billed as a groundbreaking effort to test the limits of bipedal robots in real-world conditions.

At the crack of the starter's gun, the robots began taking their first tentative steps as the Chinese pop song "I Believe" blared out from loudspeakers.

Curious human runners lined the roadside, phones in hand ready to photograph each machine as it began the race.