Check weather for your destination on the Internet to determine what to pack. Bring along a travel-size bottle of Woolite and wash workout clothes in the sink if you have limited luggage space. Bring a running watch. It's easier to run based on time rather than trying to figure out distances. Consider bringing a jacket or a fanny pouch.
Hotel keys are notoriously too big for most running clothes' inner pockets.
Always carry money and ID . Avoid breakfast meetings, which can throw off your running schedule. Also, nightcaps can make early morning training difficult. Amy Stern has been chased by cows, forced to run loops around a hotel parking lot and been left bleeding on a sidewalk in Zurich. A Road Warrior's life is tough.