It can be hard to walk in to a new class, run a marathon, or try a new HIIT workout when we're caught up in whether or not we're "good enough", "fast enough" or "fit enough" - especially with the constant plastering of perfect abs and sculpted butts in our faces. That's why Nike is starting a new campaign to help women remember that exercise is worth it, no matter what shape, size or fitness level you are. If you just push through, you'll be #betterforit! Check out the incredibly relatable video below. .