The Boulder Sunset 10K & 5K Run is part of BBSC’s biggest endurance event of the summer. Spend your weekend racing with BBSC at the incredible and scenic Boulder Reservoir. Register, and start training for the end-of-the-summer endurance festival with BBSC.
Boulder Sunset Run: race details
Race Distances
5K Course
TBD Start
This out & back course is flat, fast & beautiful as you run across the Boulder Reservoir dam. There will be 2 opportunities to fuel up at or near each mile marker, preparing you for that slight downhill sprint to the finish!
10K Course
TBD Start
This out & back course is flat, fast & beautiful as you run across the Boulder Reservoir dam. There will be 6 opportunities to fuel up at or near each mile marker, preparing you for that slight downhill sprint to the finish!
Event Schedule TBD
Things to Know Zero Waste Event, please recycle! No strollers on the run course No headphones or earbuds allowed No dogs at the Boulder Reservoir No glass bottles at the Boulder Reservoir
Aid Stations Aid Stations will be subject to changes because of COVID.
We want you to feel confident when registering for a BBSC race and those already registered can have peace of mind knowing you have options and will not lose any portion of your race entry. We believe our COVID-19 transfer policy is the best in the industry, going above and beyond for the athletes who choose to race with us.
Begin at the Historic Railroad Trailhead and run WEST for 2 miles before turning around and coming back the way you came. Continue onto the Historic Railroad Trail going through the 6 tunnels until you reach the turnaround at the Hoover Dam, at which point you will head back to the finish line.
Begin at the Historic Railroad Trailhead and run east, continue onto the Historic Railroad Trail going through the 6 tunnels until you reach the turnaround, at which point you will head back to the finish line.
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