While sprinting outdoors may be ideal, once winter hits, we all must make concessions regarding our workouts. When it starts to sleet, running outside suddenly doesn’t seem so appealing.
To keep yourself on track, we’ve got some great ideas for indoor HIIT workouts you can do on the treadmill to ensure consistent exercise even through winter’s dark, cold months. These are also perfect for those of you who work out in the gym anyway and are looking for some ideas to change-up your current routine. For more on HIIT, check out our article on the basics of High Intensity Interval Training.