A premapped course, a crew of handlers and a world-beating time: here’s what this Beijing half marathon reveals about how far humanoid robots have come—and how far they haven’t

Chinese robots can run and dance but chores still challenging

The victory of Lightning, built by Chinese smartphone brand Honor, marked a “significant step forward from last year’s inaugural race,” when the winning robot “finished in 2 hours, 40 minutes and 42 s...