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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
Scientists have figured out how to make simple exoskeletons that improve running efficiency. Should track and field authorities be worried?
Different workout styles can get you equally fit, but they affect your body differently—which suggests that you should mix it up
A new way of classifying athletes aims to quantify the thresholds that distinguish recreational athletes from their trained, highly trained, and elite brethren
Our Sweat Science columnist spent two months measuring his blood sugar around the clock. Here’s what he found.