Elite athletes use these demanding sessions sparingly for a reason. Here’s how to structure yours without burning out.

These 11 trainer workouts target power, cadence, threshold, and sprint strength indoors.

Whether you’re a 5 or a 15-minute mile runner, the desire to go faster is in every runner’s DNA. But what’s the best way to add a bit of pace to your game? One answer is to build interval training ...

It comes from a paper by Nigel Stepto and his colleagues, then at the University of Cape Town, back in 1999. This particular version of it is redrawn in a review on physiological adaptations to ...

You don’t need to be working out for longer, but you should probably be working harder—in spurts, at least. Studies have shown that interval training can help people burn more fat, and increase ...

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 ...

New research published in ImmunoHorizons shows that running a high-intensity interval training (HIIT) workout triggers a more inflammatory immune response than cycling HIIT. These findings could help ...