Join 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 proud to be honored by Runner’s World Magazine. But join us, because you make the BOLDERBoulder the best 10K!

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.

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.


Includes a training program, training tracker and swag included their race packet, and Medals to be handed out on Race Day! Learn more.

 GET READY FOR  MAY 27, 2024!


All Packages Include:

  • Official BB10K Shirt – your choice!
  • Race Bib & Official Timing Chip
  • Snack Bag & Drink (21 and up get a free beer from Avery)
  • Stadium Entry for Pro-Race Finish
  • Stadium Entry for Memorial Day Tribute
  • RaceDay Expo Entry


The Perfect Wave Start

We invented the wave start in 1983 to space everyone out properly, putting similar speeds together, so you can go your pace and have the time of your life.

Epic International Pro Race

The International Invitational: watch some of the world’s best runners finish at Folsom Field as they compete for one of the largest prize purses in the world.

Beautiful Boulder, CO

The course, over a mile above sea level, winds through Boulder’s neighborhoods, downtown and then finishes at the University of Colorado’s Folsom Field.

Endless Entertainment

The course is packed full of energy with dancers, music and entertainment around every corner. You like bacon? Waterslides? Hula Dancers? Us too.

Majestic Skydivers & Flyover

Awe inspiring. Hair raising. Goosebumps. Every single time.

Massive BB Expo

After you finish, head over to the Expo for great food and drink samples, and tons of other schwag from our sponsors.


Your race. Your pace.

Feet Above Sea Level

2023 Participants


Kilometers of Heaven

We’ve Got Your Back

Your Bolder GuaRUNtee.

If you sign up for the BOLDERBoulder and don’t participate, we will roll your registration over to next year’s BOLDERBoulder for $30.

Learn more ->

No hidden fees.

We know how you like to be treated. We are committed to transparency and no hidden fees.

Learn more ->


BOLDERBoulder 10K Countdown

Runners Roost

Official Presenting Sponsor

Official Running Footwear and Running Apparel

Avery Brewery

Official Beer

King Soopers

Official Snack Bag and Grocery


Official Insurance

Photo credit: Glen Delman, John Wark, Jan McLoughlin, John Klein, Vanessa Cote, and Gameface Media