Training

When done right, it’s the ultimate exercise to burn fat and increase power fast

A relaxed, athletic balance is crucial to good running form. Here's why and how to improve yours.

Ellie Greenwood, winner of the 2012 ­Western States 100-mile Endurance Run, on balancing big miles with a day job.

Runners are stubborn. It’s what gets them out the door every day, logging miles, and chasing goals. It's also why they make the same mistakes over and over again. Don’t be that guy.

I always feel like I’m flying when I run at night, but my GPS usually says I’m not going any faster—or that I’m going even slower—than when I run during the day. Same with biking. What gives?

How many steps per minute should I be taking when I run?

Signing up to run a race in a warm, tropical climate seems like a fun way to travel and beat the winter blues—but I’d have to train here, where I live, in the cold. Should I worry about the temperature difference, and how can I make the adjustment easier?

Even endurance athletes can score performance gains with high-intensity interval training. Here's how to do it.

Can't run? Keep your legs moving in the pool and maintain fitness while you overcome injury.

It seems like when the Olympic athletes aren’t racing, they’re all listening to music. Do they do it to drown out the crowd, or does listening to music make them faster?