The Donna Marathon marked its 19th year in Jacksonville Beach on Sunday, raising funds for breast cancer research during ...

Runners braved unseasonably frigid weather and blustery winds at the Donna Marathon in Jacksonville Beach. Here's how it ...

Sub-freezing temperatures could be on the way for the Donna Marathon weekend. How does it affect runners on race day in ...

The scenic course, beautiful Southern California and the camaraderie are what makes this event popular among running enthusiasts.

The race is known for its sweeping views of the Pacific Ocean, and a few have shown up every year for the past three decades.

Hundreds of brave souls didn't let the bitter cold or lingering lake effect snow dampen their spirits Saturday morning.

In our “Why I'm Running” series, Boston Marathon runners share what's inspiring them to make the 26.2-mile trek from ...

Don’t miss this opportunity to run Chicago, available exclusively to Runner’s World+ members.