If there's one thing humans rule at most, it's creating the funniest fails to ever hit the Web. This is particularly true when the circumstances involve a little risk, a lot of courage and a whole lot of oblivion. Ladies and gents, say hello to treadmill fails.

Think about it-- when you combine a speeding treadmill with someone who is either a) looking for trouble b) totally unaware of what might happen or c) attempting to be casual while running at full speed, the result is always f-a-i-l. Luckily for us, it's also ridiculously hilarious (and the culprits seem to think so too). Check out 10 of 'em below.