15 Most Powerful Women in Running

After a 20-year career, Paula Radcliffe's influence is still felt all over the sport.

Through her organization, Stephanie Case empowers women to run.

Find out why Karen Dennis' coaching credentials are so impressive.

Nancy Green believes fitness is for everyone and she's brings that belief to Athleta.

After losing her leg in the 2013 Boston Marathon bombings, Lauren Gregory was determined to run.

And that is not all Mary Wittenberg has done to help the sport.

Lorna Jane Clarkson has built an empire on building women's confidence.

This runner put her reputation on the line to speak out for what's right.

This woman is CEO and founder of a brand of running stores, a training plan and race series.

She is making sure the next generation has the tools to live a long and healthy life.

This model-mother-director-advocate-runner is helping women all over the world with her work.

This former Women's Running cover runner is changing the game.