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Sunrise racing begins with an open-water reservoir swim
Plan a Colorado getaway for Boulder Sunrise Triathlon, combining triathlon and aquabike racing at Boulder Reservoir with outdoor recreation and an overnight-friendly summer schedule.
Event details
Boulder Reservoir’s broad water and beach setting make an unusually spectator-friendly venue for this early-summer triathlon, as open-water swimmers, cyclists, and runners move through multiple race formats against a backdrop of Front Range foothills. A results tent near the beach updates standings throughout the morning for families tracking more than one athlete.
The reservoir’s beach layout gives families an easy, comfortable place to watch the swim start and finish from the same stretch of sand, without the long walks between viewing points that many point-to-point triathlons require. Younger children often enjoy watching the open-water swim start as the most visually dramatic part of the morning.
Athletes traveling for packet pickup and an early start may prefer staying nearby rather than commuting in from Denver at dawn. Pack sun protection for the exposed reservoir shoreline, and add Boulder’s foothill trails or nearby mountain parks to round out the visit. It is an approachable, family-watchable triathlon set against genuinely striking Front Range scenery. Reservoir mornings can feel surprisingly cool even in summer, so pack a light jacket for the early swim start.
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