SCROLL THROUGH RUNNING TikTok or watch enough YouTube workout videos and you’ll start seeing the phrase “double threshold” pop up. It’s a training method associated with seemingly superhuman elite ...

There has long been a debate in the hardcore fitness community over the pros and cons of two-a-day workouts. We spoke with experts about the approach to understand whether it's healthy, the benefits ...

The fitness world loves to celebrate the hustle. “No days off” hashtags flood social media. Athletes brag about two-a-day training sessions. Motivational memes shame anyone who dares take a break. In ...

No matter how big your race goals are, it is absolutely possible to achieve them through running just three days a week. In fact, this training model can actually boost your performance if you focus ...