Its a nice demo of advances, but its not hugely significant in the way some comments here make it out to be. We have had machines faster than humans for a long time. We have had animals faster than humans for longer than there have been humans.
Yes it is true that we have had machines on rubber wheels that can move very fast on open roadways. But these new machines are also capable of walking up and down stairs, navigating obstacles, using doorways, and generally operating in the same complex spaces that humans do.
Now apparently they can run really fast too.