Don't let the cold weather put an end to your runs! Move your workouts indoors with these challenging and fun treadmill workouts. These are anything but boring, involving belly fat-fighting intervals and incline to build your booty.
Here's a week's worth of workouts you can follow along to including two active rests days mapping out stretches and yoga poses to prevent injury. Each workout includes a link to a printable version so you can take them to the gym.