In an Olympic rematch, she took down gold medalist Sifan Hassan and ran the fastest-ever marathon in a women’s-only race.

Lactate is a byproduct of intense exercise. During tougher efforts, it accumulates in your blood faster than your body can ...

Many top marathoners took to the streets on London on Sunday morning. The third World Marathon Major of the season, the ...

The mile world record holder will attempt to be the first woman to run a sub-4. Here's what I learned about her training in ...

Remember, a second workout—whether that’s walking or running—should be gentle. And while a leisurely stroll is better than ...

The Olympic alternate steadily reeled in Annie Frisbie in the final miles to place seventh in a huge personal best.

Faith Kipyegon will attempt to become the first woman to break four minutes in the mile this summer. The 31-year-old Kenyan, ...

Before training for 26.2, she only ever ran two miles straight.

A premier running event of the summer, the Falmouth Road Race features a breathtaking seven-mile seaside course.

I visited the champion at her training camp in Kenya. Here’s what I learned and what it will take for her to succeed.

“Running has given me a broader view of the world and made me a better person.” Name: Mike LaSusa Age: 51 Hometown: Chester, ...

If you haven’t heard of lululemon’s “We Made Too Much” section, do we have some good news for you: It’s a hidden section ...