Boulder Sunset 10K & 5K Run

Boulder Reservoir, Boulder, Colorado

August 28, 2021

Boulder Sunset RUn: race details

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.
Register Now

Boulder Sunset Run: race details

Race Distances

5K Course
8:00am
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
8:00am
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!


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

Boulder Sunset Run: Pricing

Distance11/1 - 11/3012/1 - 12/311/1-7/107/11-8/168/17-8/23
5K$20$30$40$50$60
10K$30$40$50$60$70
Register Now

Boulder Sunset Run: Packet Pick Up

Road Runner Sports Westminster
Friday, August 27th
3:00pm - 7:00pm
10442 Town Center Dr. Suite 300, Westminster, CO 80021

Saturday, August 28th
Race Morning Pick-Up
5:30am-8:00am
Boulder Reservoir Parking Lot

When you stop by Road Runner Sports to pick up your bib, why not pick up a few things for the race? All 1st time VIP Family Members will receive $10 in Rewards Cash to use immediately for purchases. Current VIP Family Membership will receive DOUBLE REWARDS Cash.

Boulder Sunset Run: sponsors

Boulder Sunset Run: course Maps

scenic running perfected.

we care about your safety

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.
View COVID-19 Policy
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