
The annual in-person race starts at 30th and Walnut and winds through Boulder neighborhoods with live music and entertainment at every corner.
STACK SPORTS PROFESSIONAL
The race attracts over 40K-50K runners, joggers, walkers and wheelchair racers, and draws professional athletes from around the world to compete for one of the largest non-marathon prize purses in road racing.

The BolderBOULDER, named America’s All-Time Best 10K by Runner’s World, is the 7th largest running race in the United States. Kevin Jandt, VP of Endurance at Stack Sports, expressed his gratitude, saying, “Stack Sports and End Result are honored to continue our longstanding partnership with BOLDERBoulder, and we thoroughly enjoyed the experience of contributing to the success of this dynamic and highly competitive event.” We are grateful for their unwavering support and contribution to the continued excellence of our race.” “Their dedication and expertise in overseeing the event timing, have been instrumental in creating a seamless and memorable experience for our participants. “Stack Sports and End Result have been invaluable partners in the success of BOLDERBoulder year after year,” said Race Director Cliff Bosley. The United States showcased three patriotic teams adorned in vibrant red, white, and blue. Following the conclusion of the citizen race, the course was readied for the professional race, featuring a thrilling cross-country style scoring format with teams organized by country. Working closely with event organizers, the dedicated teams from Stack Sports and End Result spent over five days in Boulder meticulously overseeing the setup of separate start and finish lines, as well as timing splits at every mile. He stated, “We are thrilled by the overwhelming turnout of participants and spectators who passionately competed and showed their unwavering support.”Įnd Result, in partnership with BB10K for 16 years, played a pivotal role in ensuring the triumphant return of BOLDERBoulder. Race Director Cliff Bosley expressed his profound gratitude to the remarkable runners and enthusiastic spectators who made this year’s event truly exceptional. Official results will be confirmed and announced on June 16th. Daisy Kimeli (Kenya) secured second place, concluding her race in 33:48.
STACK SPORTS PRO
Among the women, Emily Durgin (USA) claimed victory in the Pro Race, crossing the finish line with an impressive time of 33:24.

Following closely, Alex Masai (Kenya) secured second place with a remarkable finish time of 29:11. In the fiercely competitive Pro Race, Conner Mantz (USA) secured the coveted title of overall men’s champion, delivering an outstanding unofficial time of 29:08. Athletes from Kenya, Mexico, Great Britain, and Tanzania competed against a talented group of American runners, including defending champion Leonard Korir, who emerged as a formidable contender. The highly anticipated race once again showcased the world’s swiftest runners in the International Team Challenge. Photo caption: BOLDERBoulder runners in costumes. The event witnessed tremendous success, attracting an impressive turnout of over forty thousand participants and almost one hundred thousand spirited spectators, according to Stack Sports.


BOULDER, Colo., J(SEND2PRESS NEWSWIRE) - BOLDERBoulder, recognized as America’s All-Time Best 10K by Runner’s World and the nation’s seventh-largest road race, made a resounding comeback this Memorial Day on May 29.
