"It's the best bang for your buck," says Jacqueline Kasen, WH+ Ultimate HIIT Challenge trainer and founder of Kasen Fitness.

Train to increase your speed in four weeks with a mix of interval workouts, easy runs, and long runs—all of which you can do ...

With fun running, you can “just take the stress off and let your body relax and run because you love to run, not because somebody’s forcing you to perform,” Janet Hamilton, a Georgia-based running ...

Using speedwork in training is a good idea for all runners, regardless of ability. Here’s our guide to learning to run faster, plus a training plan for demolishing your 5K PB ...

These are the training, nutrition and recovery methods the four-time Olympian uses to stay at the top of her game ...

Murphy told us all about what workouts are crucial for mile training and why the treadmill is so perfect for this running ...

Explore the world of callisthenics, a versatile bodyweight exercise regime that builds strength and cardiovascular endurance. Learn its health benefits, potential limitations, and whether it's the ...

Well, we’re just over half-way through 2009; can you believe it?! Today, I’m going to give you my mid-year review on the fitness industry and share 3 biggest trends that we’re ...

Studies have shown that interval-based exercise programs, most specifically high intensity interval training (HIIT), are more ...

Repeat this 5-minute interval 4 times: Walk for 1 minute (at a similar speed to the last minute of your warmup) at 0% incline ...

New Year's resolution not working out for you? Don't stress. Try these five New Year's resolution alternatives backed by ...