Whether you're new to running or traveling the world to run marathons, you can always use some killer tech to elevate your workouts. 

A super-high-tech mash-up of your best running buddy and the coach who whipped your ass into Steve Prefontaine shape in college, these fitness trackers, earbuds, and wearables will make you a better, faster, even happier runner. These are 2017's best in class.