High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

Truth bomb: Treadmills are an underrated weight-loss tool, and high-intensity interval training (HIIT) is highly effective for shedding belly fat and boosting cardiovascular health. HIIT's intense ...

High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

I recently decided to completely switch up my half marathon training. I swapped miles for time-based training runs, and because I’ve never been much for speedwork outside my high school cross-country ...

If you don't have a ton of time to exercise and want to make the most of the few minutes you're able to squeeze in, HIIT workouts are for you. There are minimal rests during HIIT workouts, and even ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. New perk: Easily find new routes ...

Forbes contributors publish independent expert analyses and insights. AI researcher working with the UN and others to drive social change. Oct 20, 2025, 05:19am EDT A humorous animated brain character ...

Sprint interval training, or SIT, is super trendy right now. It’s a great way to improve your running speed and to get in a hard interval workout, and I’ll explain exactly how. But I also need to ...

Whether you ascribe to polarized training, pyramidal training, or sweet-spot training, ultimately all different training philosophies come down to mixing up easy training with hard training in various ...