Boulder Sunrise Triathlon

JUN
28
2026
A multi sport triathlon at Boulder Reservoir featuring a sunrise swim, a fast bike course and a smooth run with the Flatirons as a backdrop. Multiple formats include Sprint, Olympic, aquabike, duathlon and relay options.
Sun 28 Jun 2026
Sprint Relay Sprint Individual Olympic Relay Olympic Individual Duathlon Relay

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Boulder Sunrise Triathlon 2026

The Boulder Sunrise Triathlon is held at Boulder Reservoir in Boulder, Colorado. The event features a sunrise swim, a bike course described as fast, and a smooth run course with the Flatirons visible in the background.

Organized by BBSC Endurance Sports, the event is one of a series produced in Nevada, Utah and Colorado. The organizer produces multi sport races for elite, age group and beginner athletes and states that athlete safety is a top priority. A seasoned race crew manages event operations.

Multiple entry formats are offered, including Sprint individual, Olympic individual, aquabike, duathlon and relay options for Sprint, Olympic and Duathlon. Entry categories include paid individual and relay captain registrations as well as zero cost entries listed for relay team members. The event spans a single day in late June.

The description focuses on course features, event formats and organizer responsibilities. No specific start or finish times are provided here. Visit the organization's website for the most recent information.

Sprint Relay
Sprint Individual
Olympic Relay
Olympic Individual
Duathlon Relay
Duathlon
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