Staying in shape is hard enough when you’re not traveling all over the world but there are a lot of covert exercises you can do in an airport that are challenging enough to be worthwhile. Get Your Tracking Software Ready Before getting started you want to make sure you’re able to keep track of the mini-workout ahead of you. Walking is an important exercise anywhere and most airports are large enough for a good 5 kilometer warm up. iOS users, here’s how you can enable the Health app…