airbnb
Try this out before your next flight. It does not take much time at all and is a great way to do something instead of nothing.
Dose of Wildness: 7 Minute Advanced Wild Workout
You start to recognize that there are training opportunities all around you, all day long.
Brain Drain Workout - Chest and Arms
This is one of my go-to workouts when time and/or brain power is limited.