Tri Boulder Sprint and Olympic Triathlon

Boulder, CO • July 19, 2025

OlympicSprintAquabikeDuathlon

As one of Colorado’s most popular summer triathlons, Tri Boulder offers many different multisport race distances, all in one eventful day! Join us for a full day of racing at the Rez.

Other Races by BBSC Endurance

Las Vegas Triathlon

October 4, 2025

Boulder City, NV

Pumpkinman

October 25, 2025

Boulder City, NV

Please visit the official race website and registration page to confirm all details, as information may change.