Join us Memorial Day, May 25, 2026 for Colorado’s biggest and boldest tradition.
Our 10K has 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.
MEMORIAL DAY MAY 25, 2026
TAKE ADVANTAGE OF EARLY REGISTRATION PRICES WHILE YOU CAN
Registration Includes:
- Official BB10K Shirt – your choice!
- Official Race Bib & Timing Chip
- Snack Bag & Drink (21+ get a free beer sample from Avery)
- Two Week Trial of the Runna Training App
- Stadium Entry for Pro-Race Finish & Memorial Day Tribute
- RaceDay Expo Entry
Short Sleeve Package
|
$64 Adults |
$54 Ages 65+ & |
$49 Ages 14 |
Men’s, Women’s & Youth
Long Sleeve Package
|
$74 Adults |
$64 Ages 65+ & |
$59 Ages 14 |
Men’s & Women’s
Tech Tee Package
|
$79 Adults |
$69 Ages 65+ & |
$64 Ages 14 |
Men’s & Women’s
BOLDER Package
|
$94 Adults |
$84 Ages 65+ & |
$79 Ages 14 |
One shirt from each package.
Sea Level is for Slackers
|
$25 |
Option to add to packages.
Limited Edition
|
$25 |
Option to add to packages.
Retro Shirt
|
$25 |
Add on option. Updated the 2003 design to celebratr the US 250th and Colorado 150th anniversaries.
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.
Beautiful Boulder, CO!
The course, over a mile above sea level, winds through Boulder’s neighborhoods, downtown and finishes at the University of Colorado Stadium.
Bold Squad for Kids
14 and under are automatically in this special program. Includes a training plan, Finisher Medals on Race Day, and more! Learn more >
Business Challenge
Rally your coworkers, lace up those sneakers, and bring your A-game! Awards for highest participation and fastest teams and individuals. Learn more >
The Perfect Wave Start
We invented the wave start in 1983 to space everyone out and put 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 compete at Folsom Field for one of the largest prize purses in the world.
Massive BB Expo
Head over to the Expo after you finish for great food and drink samples and tons of other schwag from our sponsors.
MEMORIAL DAY COUNTDOWN!
THIS IS A 10K DONE YOUR WAY.
Your race. Your pace.
2025 Registrants
Feet Above Sea Level
Spectators
Countries Represented
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 ->
