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BIPED ROBO MARATHON

Robovie-PC, a toy-sized humanoid, 40 centimetres tall and weighing 2.4 kilograms, won the world’s first-length marathon for two-legged robots , beating its closest by a single second after more than two days of racing. Five bipedal began the non-stop 42.2-kilometre contest on a 100-metre indoor track in the western Japanese city of Osaka on Feb26th, after greeting spectators with gestures. Robovie-PC pushed Robovie-PC Lite behind after 422 laps and crossed the line in 54 hours 57 minutes ahead of its rival. Their average speed was 0.77 kilometre per second.

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