Bolder Boulder

Photos: More Than 50,000 Run the 2016 Bolder Boulder 10K

The 38th running of the Bolder Boulder 10K—one of Competitor’s must-do 10Ks—drew an estimated 50,765 participants to the streets

Why the Bolder Boulder 10K Should Be on Your Bucket List

It's one of the largest races in the world—but that's not all.

Video: Sights and Sounds at the 2015 Bolder Boulder 10K

Re-live the wild and wonderful 10K.

Adidas Trades Shoes With Bolder Boulder Runners

A clever bit of guerrilla marketing before the famous 10K race.

Photos: 30 Great Images from the 2015 Bolder Boulder 10K

More than 46,000 runners finished the 2015 Bolder Boulder 10K on May 25.

Video: American Elites at 2015 Bolder Boulder

One of the top 10Ks in the U.S. had strong American representation.

Kastor Shines In BolderBOULDER — Again

The 40-year-old once again showcased her mastery.

Hall Hopes To Make A Bold Bolder-Boulder Comeback

He hopes to do much better than his sub-par showing three years ago.

Ryan Hall To Run Bolder Boulder Later This Month

He will be competing on the American squad in the International Team Challenge.

Bring Your Camera to These Tough Races

By Linzay Logan After qualifying for the Boston Marathon and earning the chance to run one of the most famous marathons in the world, the

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