These carbon-plated wonders have broken every record in the books—but they might not be the best for you. Here's why.

As hardcore recreational runners gather pace, more women are being diagnosed with health conditions previously reserved for ...

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

Scientists have long hypothesized about a theoretical limit to human energy use. The research, published today in Current ...

When athletes devote large amounts of energy to running or cycling, they unconsciously cut back on energy output elsewhere.

It turns out that doing hot yoga a few times a week and hiking at least once a week won’t make you a decent beginner runner. Month one was plagued by difficult quarter-mile runs and sore legs and ...

The national men’s 400m record holder on the ‘cutthroat’ world of athletics, life after the track and his medal-worthy ...

On a rain-slicked track under gray October skies, two unlikely champions turned the inaugural ASICS META: Time: Trials (MTT) ...

Today's GPS smartwatches and other wearable devices give millions of runners reams of data about their pace, location, heart ...

The highlight reels will forever memorialize Barger’s 413-foot grand slam, the first pinch-hit slam in World Series history that pushed the Blue Jays lead to seven runs in an eventual 11-4 slaughter ...

Emma Pooley may have retired from professional cycling more than a decade ago, but she believes that the effects of under-fueling – what she describes as her “weird” relationship with food – are still ...

While ultramarathoners are capable of huge energy spurts, overall the athletes top out at 2.5 times the metabolic rate needed for basic body functions.