TriathlonCO
Tri Boulder Sprint and Olympic Triathlon
July 18, 2026 • Boulder, CO
Course Distances
Olympic
Sprint
Aquabike
Duathlon
About this race
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.
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