Tri Boulder

5565 N 51st St.
Boulder, CO 80301

Running > 10k, 5k, Sprint, Olympic

Registration Powered by

Event Description

BBSC is bringing excitement back to Boulder for the 4th annual Tri Boulder. From our knowledgeable staff to our superior race day execution, we offer a comfortable, yet thrilling race day experience. Don’t feel rushed, crowded or overcharged; race at this amazing venue at the base of the Foothills and have the time of your life! Get ready for an event you will want to compete in year after year.

Event details and schedule

At packet pick up, you will receive an athlete guide; race packet including run bib, bike bib and imprinted swim cap; gender specific t-shirt and SWAG bag.


Hammer Gels, Gatorade and water will be provided at aid stations throughout the bike and run course. A custom finisher medal will be given to each athlete as they cross the finish line. A recovery beverage and snacks including bananas will be available at the finish and a complimentary post race meal is provided between 9am-1pm for all athletes and volunteers. Chip timing and race announcing will be provided by Flatirons Event Specialists.


Boats, kayaks and lifeguards will be provided by the Boulder Reservoir, BBSC Endurance Sports and all other individual water support parnters. Bike support will be provided by Kompetitive Edge of Denver. Our USAT Race Director and trained staff, along with the best volunteers will provide you with an overall amazing and safe race course from packet pick up to the finish line, and beyond! 

Event Location & Accomodations

Connect on Social