Tri Boulder
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Tri Boulder 2026 : Boulder Reservoir
Tri Boulder is a multi-format triathlon event held at Boulder Reservoir in Colorado on July 18, 2026. The schedule comprises a full day of multisport racing at the reservoir, with swim, bike and run components in various formats.
The event is produced by BBSC Endurance Sports, which stages multisport races for elite, age-group and beginner athletes. The organizer states that the race director prioritizes participant safety.
Race options on the program include a variety of individual and relay formats and an aquabike category. The event listing shows paid entry categories and team entries with different pricing structures.
Available race formats include:
- Sprint Tri
- Olympic Tri
- Long Course Tri
- Long Course Aquabike
- Sprint Duathlon
- Relay options for Sprint, Olympic and Long Course races
The event takes place at a reservoir venue commonly referred to as the Rez. The description indicates one full day of racing with multiple distances and relay choices, allowing athletes to select among several multisport formats. Visit the organization's website for the most recent information.
