Join the 45th running of Colorado’s biggest and boldest Memorial Day tradition. We’ve got perfect waves for walkers, joggers and racers.

“America’s All-Time Best 10K”
We’re honored by Runner’s World Magazine, but our participants and spectators are what make the BOLDERBoulder the best 10K in America!

Finishing at CU
Cross the finish line inside Folsom Field with tens of thousands of people cheering you on. Then watch the Pro Race finish and grand finale Tribute.

Largest Memorial Day Tribute
One of the largest Memorial Day Tributes in the U.S. The ceremony honors all of those who have given their life in military service to our country.

BOLD SQUAD for Kids
Includes a training program, training tracker and swag included their race packet, and Medals to be handed out on Race Day!

Click here for Registration