Boulder Sunset Run

The Boulder Sunset Run features a 10K and 5K race set against the stunning backdrop of Boulder Reservoir in Colorado. This event, part of BBSC's summer endurance festival, offers participants a flat and fast out-and-back course, ideal for runners of all levels. The race emphasizes sustainability, being a zero waste event, and has specific guidelines, including no strollers, headphones, or dogs on the course.

Participants can enjoy multiple fueling stations along the route. Registration is available at various pricing tiers leading up to the event, which takes place on August 23, 2025. Visit the organization's website for the most recent information.