Workout regulars are training like elites to find purpose, community, and proof of what their bodies can do. This movement ...

Even the most elite endurance athletes can’t outrun biology. A new study finds that humans hit a metabolic ceiling at about 2.5 times their resting energy burn. When ultra-runners take on races that ...

Individual athletes ran an average of 4,000 miles over a year to help define the human body's limit for energy expenditure ...

Scientists tracked 14 elite endurance athletes for a year and found a metabolic ceiling: no one sustained more than 2.5× ...

When ultra-runners lace up for races that stretch hundreds of miles and days, they're not merely testing their mental grit ...

Why Iron Matters for Performance Oxygen Transport and Energy Production Iron is a key component of hemoglobin and myoglobin, ...

It” is a supplement called Nomio, a concentrated shot extracted from broccoli sprouts that has emerged as the hottest new ...

From the battle-tested ranks of the Philippine National Police–Special Action Force (PNP-SAF) to the unforgiving roads of Europe, Joseph Faeldonia, a ...

With autumn marathons approaching and training intensities peaking, endurance athletes face a critical challenge that extends far beyond physical conditioning. The difference between crossing the ...

When you think of endurance athletes – marathon runners, cyclists, triathletes or the trending Hyrox – you probably picture a focus on carbs: pasta, sports drinks, gels. But protein, especially casein ...

Q I’ve been an endurance athlete my whole adult life. After having COVID-19, I’ve gone from running marathons at an 8-minute ...