Run fast Run fastER - than the guy with the knife.
Or run faster than yourbuddy. ("I don't have to outrun him. I only have to outrun YOU.")
"Run fast."
Precisely...because in that very brief video one is indeed
STILL in a fight, yet has secured 3-4 seconds of time.
Hopefully most of us only have to learn how to do this yet don't necessarily have to utilize these important skills in real life.