When you book your flight, order a low-fat low-calorie meal to keep you alert and energetic. Bring your own water bottle and pack a few healthful snacks in your carry-on bag so you don't have to rely on the food at the airport or on the plane.
Select a hotel that has a health club and pool or one that is located within walking distance of a gym. If you prefer to exercise outside, walking and running are great ways to explore a new city. And you'll need only your running shoes, which is pretty convenient when you're packing a light bag. Ask for a map of the city's parks or running trails at the front desk. You could also contact a local running-shoe retailer—some host runs from their stores.Subscribe to our newsletters for our very best stories, recipes, style and shopping tips, horoscopes and special offers.