Try running a mile under 6 minutes—in swim fins.
Sprinters are fast. But are they faster than other athletes?
Watch the man in the background very closely.
Are you ready to race other travelers to the runway?
Watch Olympic history unfold with this incredible and unexpected win.
This mascot forgot to jump over the hurdles and ran into a stack of them instead.
A reminder that running, contrary to common belief, is in fact a team sport.
If you fall, at least it's softer than the ground.
This may be the most brilliant running meme that has hit the Internet.
If running was bad for you, this is what it would look like.