Nothing screams "leg burner" like a hill workout. Running -- and even walking -- up hills has profound fitness benefits. You'll build strength and power in your quads, hamstrings, glutes and calves.

HIIT workouts can help you burn more calories in less time than moderate-intensity ones and boost your mood and can improve your V02 Max. Here are 20 to try.

Looking for workouts that help you both lose weight and build muscle? Try these five effective treadmill workouts. The post 5 30-minute treadmill workout ideas to lose weight and build muscle appeared ...

When the weather is not in your favour, you can still keep up your training with various indoor workouts for runners.

Using the treadmill as part of your HIIT workouts is a great way to stave off boredom. Granted, short bursts of hard work on the treadmill can look drastically different from one day to the next.

What is LISS cardio and how often should you do it? Here's how to strike the right balance to achieve your goals.

Kaley Cuoco's postpartum workout is walking. Get her HIIT treadmill routine, incline treadmill walking workout, and her favorite walking shoes and fitness tips.

No gym? No problem. We've done the work(outs) to find the best online fitness programs — from streaming options to advanced ...

This DAREBEE HIIT series using high knees and different plank variations, the Howler is a no-equipment cardio workout you can do anywhere.

If you love a fast-paced challenge during your workouts, this lower-body HIIT workout is the perfect cardio and strength combo.