All runners know that cross-training is essential — but forcing themselves to actually do it can be a struggle. That's why we love this circuit led by fitness instructor Ashley Joi. It's actually the ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. High-intensity ...

A quick HIIT circuit workout you can do at home care of two trainers who also happen to be best friends and professional athletes, too? Yes, yes we have that. So, without further ado, a dynamic ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images If you hate running, the good news is it’s not the only way to burn calories ...

High-intensity interval training and weight training are two of the most effective forms of exercise for improving overall fitness and health. HIIT is a type of exercise that involves alternating ...

If you work out regularly, you've undoubtedly heard the buzz surrounding high-intensity interval training. HIIT mixes intense bursts of exercise with rest periods, burning more calories in less time ...

From her new book, this is the Jillian Michaels workout that increases your longevity, metabolism, and vitality—meet metabolic circuit training. Plenty of fitness modalities have come together to ...

It starts out fast, with lunge hops and squat jumps, to quickly get your heart rate up, boosting your energy and motivation right off the bat. Then it segues into slower, strength-focused moves so you ...

You can check out a free fitness class at the Navy Yard Vida location today. There will be a Cut class at 6:15 PM, which is a circuit HIIT workout. The Cleveland Park Library will host an hour-long ...

These exercises build core stability and upper and lower body power. The workout is programmed to build fatigue using just your body weight, which will enable you to generate more power on the run as ...