Lungs burning, legs ceasing up – no one actually enjoys interval training. Pushing through the pain is the only way to unlock faster PBs and achieve a higher level of fitness ...

Pyramid intervals are the secret of successful runners! In the world of running, there are numerous training methods aimed at ...

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 ...

Long before fitness influencers started selling HIIT programs, boxing had already perfected the format. Every boxing workout in history has been built around the same structure: rounds of intense work ...

Every once in a while, I get a reminder that Twitter really can be useful. In this case, it was a tweet from Andy Jones pointing out an interesting detail in a new study that I might otherwise have ...

Interval training is pretty tough work, but it's the best way to keep in shape when you don't have a lot of time on your hands. That said, if you want to do it right, The New York Times suggests you ...