We break down the complicated subject of lactic acid and lactate, so you can better appreciate what’s happening in the body.

The 28-year-old qualified for the steeplechase final, but she ultimately withdrew. She’s still trying to figure out exactly ...

With a powerful 3.0 HP motor, app compatibility, and foldable frame, Horizon’s 7.0AT treadmill offers serious features at a ...

Andrew Kastor, 48, Deena’s husband and head coach of the Mammoth Track Club, says that he preaches all the same recovery ...

At the heart of both shoes is Asics’ latest midsole foam, FF Turbo Squared. An aliphatic TPU (ATPU), it’s designed to deliver a ‘bouncy, responsive feel with effortless cushioning’ — and the brand ...

Tracksmith’s first trail running shoe handles paved roads and dirt trails equally well. The Vibram outsole is best suited for ...

This exposure can be exacerbated while moving quickly, Diaz-Sanchez says. And even exposure to one spike can be “really bad,” ...

With real-time readiness scores, hyper-accurate GPS, and more health stats than your doctor’s chart, it’s a personal trainer ...

I feared rabies shots because everybody says they hurt. But my thighs have experienced worse pain after marathons.

We call super shoes “super” for a reason. They feature technology that promotes energy return–lightweight materials, ...

The bronze medalist in the 100 meters from the Paris Olympics could face a two-year ban if the charge is upheld.

Consider your experience level with strength training before you purchase a pair of dumbbells. If you’re new to lifting, go ...