Sure, running is a fun and simple workout when you're playing it by ear. But if you want to see if you're getting fitter—or faster—you need a way to track your progress. Luckily, there's a lot of technology available nowadays to make it easier, from GPS and heart rate monitors to shoe pods and online coaching tools.

So how do you pick the gear that's right for your needs? First, figure out what you want to know: Is distance and time enough, or do you want to track your routes and how hard you're working? Next, think about what will motivate you—do you need the assistance of online coaching tools, or want to post running updates on Facebook or join a virtual running club? Once you've got your needs in mind, browse our roundup of running watches and tools to help you go farther.