More than 20 two-legged robots competed in the world’s first humanoid half-marathon in China on Saturday, and – though technologically impressive – they were far from outrunning their human masters over the long distance.

A half-marathon in Beijing featured a road race between human runners and 21 robot models—and showed how far robots still are from being able to mimic human activity.

In one small step for robot-kind — thousands of them, really — humanoid robots ran alongside actual humans in a half-marathon in the Chinese capital