A detailed analysis of historical Boston results wades into the long-running debate on sex differences in endurance
A mixed workout program produces the best heart health outcomes, a new study finds
Researchers explore how your brain chemistry may start dulling pain and boosting mood before you even take a step
New research confirms that a week of hot tub sessions helps your body adapt to heat
We know that cognitive function is impaired at high altitude, but it’s not entirely clear why
Real-world data shows elite ultrarunners average 180 steps per minute—and that means nothing
New research finds weightlifters have stronger tongues and runners have better tongue endurance—and that matters
Plotting top-100 marathon times for the past decade shows that Eliud Kipchoge’s world record is a huge outlier. The question is why.
What the new data says about how long the average hiker takes, what they drink, and how tired they get
At the 2016 world championships in Qatar, cyclists swallowed thermometer pills before competing. Here’s what scientists learned.