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A team of Canadian Olympic sports psychologists tries to nail down the intangible “it”

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

Most people run the same pace regardless of how far they’re running, according to new research

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

Like the two-hour marathon chase, next month’s assault on the seven- and eight-hour Ironman barriers will require some rule-bending

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

Scientists studying mice found that their competitive efforts depended on their social ranking rather than their strength or speed

An analysis of power data from pro cyclists quantifies the effects of hot and cold air temperatures on performance

You can’t run fast without using your arms—or can you?

Despite years of research, the athletic potential of Montmorency cherries isn’t as sweet as it sounds

An analysis of pro cycling data finds that altitude-born South American riders race better at high altitudes than their lowland-born rivals

The oral health risks associated with heavy sports-drink use seem clear, but the evidence remains murky

New findings suggest that results from large training studies can’t be generalized to individuals

A new study of identical twins shows that, despite their reputation as inert rubber bands, Achilles tendons adapt to exercise

New research explores how physical and mental factors affect how athletes raise their game when it counts

A popular training rule for endurance athletes faces scrutiny from skeptical scientists

A new study gathers insights from 71 trans-ocean rowers who (mostly) made it to the other side

A new study grapples with a familiar question: How much of athletic success is physical, and how much is mental?

We tend to assume that a nice-looking stride is a fast one, but maybe looking good is its own reward

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