So what makes a great treadmill fail? Glad we asked. It's a combination of things—bravado, followed by sincere shock, followed by an unsuccessful attempt to regain your balance, and ending with a spectacular albeit hilarious crash. Oh, and someone video taping the whole thing. And with that, we give you the Greatest Treadmill Fails Ever.
8. Wait for it…wait for it.
8. Wait for it…wait for it.

















