Alex Hutchinson

In-race data collected during the world championships sheds new light on how top endurance athletes avoid overheating

Plyometrics can make you a more efficient runner, and it turns out they don’t need to be complicated or risky

New data finds that endurance- or speed-oriented muscle fibers don’t determine how you respond to strength training

So-called “augmented feedback” can offer both information and motivation. A new study tries to separate the effects.

Age may be just a number—but so is your weekly mileage.

Double threshold days and lactate meters have propelled Jakob Ingebrigtsen and others to the top. Should the rest of us follow suit?

The real magic of much-hyped ketone supplements, according to Belgian scientists, is how they enhance recovery

Has Maurten finally figured out how to harness the power of baking soda without paying the gastrointestinal price?

With the arrival of a long-rumored drink, endurance athletes want to know

A new study tests the idea that, with the right building blocks, connective tissue can repair itself after all

Researchers test the assumption that top athletes are more sensitive to internal cues, with surprising results

A new model breaks down the ability to fight through adversity into its constituent parts

Army researchers assess the evidence on what makes you stronger, and speculate about new approaches that might work even better

A head-to-head lab showdown finds that power and efficiency depend on your preferred running surface

Endurance athletes make bigger improvements following a flexible workout schedule, rather than sticking with a predetermined one.

New research finds that, all else being equal, runners don’t have more gastrointestinal problems than cyclists

Replacing lost salt is a pillar of sports nutrition, but new research suggests more isn’t always better

How well you can see your surroundings matters, but subtle gait changes also burn more energy.

Elite running coaches weigh in on what it means to be talented and how they predict who will run fastest

New data shows that, unlike a car, you can’t perform well with a half-full fuel tank

A pair of experiments find that mice choose to run less after taking antibiotics, even though their endurance is unchanged

New data outlines how much they run, how long it takes to resume training after giving birth, and how well they return to competition

Here’s what the science says about making it to the top as quickly and efficiently as possible.

A new study compares active and passive interval recoveries, but physiology isn’t the only factor to consider.

The algorithms used to estimate your training load have some fundamental flaws, scientists say.

Runners smack the ground harder—but get injured less—in more cushioned shoes. New research explains why.

Recovery, just like training, is highly individualized from person to person. Recent research shines a light on why that is.

Different workout styles can get you equally fit, but they affect your body differently—which suggests that you should mix it up.