Water on the Run

When you are on the treadmill, have you ever wondered why they have drink holders? NO! I know that was a stupid question. See there are such thing as dumb questions. Those cup holders are there because you should have a water or sports drink to sip on. If you enjoy running then you understand how important it is to hydrate before, during and after. So what do you do when you're not on a treadmill and you decide to run a 5k outside, or take a jog around the neighborhood? Do you run holding a water bottle? Chances are the answer is no. So what's your secret to getting water during workouts?