HYROX Training: What the Research Says About Racing Fitness
HYROX is one of the fastest-growing fitness races in the world, and the science is finally catching up. Here is what the first peer-reviewed studies show about pacing, performance and injury risk, and how to train for it.
VO2 Max: The Ultimate Predictor of Human Longevity
In a study of more than 122,000 patients, the least fit had a five-fold higher adjusted death risk than elite performers. Here’s how to raise your VO2 max.