Being physically active feels great, and getting regular exercise is beneficial for everything from your cardiovascular system to your emotional health. But what if you want to do more than simply enjoy a general sense of well-being? If you’re training for a race or competition — or just want to make sure your programming is helping you make progress — you’re probably going to want to start tracking your activity. Whether you want to keep up (and improve) stats like daily steps or the quantity (and quality) of your sleep, a good tracker will help you stay, well, on track! And here are nine fitness trackers that’ll help you to do just that.