Boulder Sunset 5K, 10K Run

BBSC Endurance Running

Highlights

Sat, 23 Aug, 2025 at 07:30 am

4.5 hours

Boulder Reservoir

Date & Location

Sat, 23 Aug, 2025 at 07:30 am to 12:00 pm (MDT)

Boulder Reservoir

Boulder, United States

About the event

Boulder Sunset 5K, 10K Run

Come run in one of the biggest endurance sporting events of the summer, the Boulder Sunset Triathlon, Duathlon, 10K & 5K Run. Race alongside more than one thousand athletes from across the west and finish to an amazing post-race party. Register early as this race sells out in early August!

You may also like the following events from BBSC Endurance Running:

Next month, 27th September, 08:00 am, Kokopelli 5K, 10K Run in Hurricane
This October, 25th October, 08:00 am, Pumpkinman 10K & 5K Run in Boulder City

Also check out other Sports events in Boulder.

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Ticket Info

Tickets for Boulder Sunset 5K, 10K Run can be booked here.

Event Tags

running triathlon

Nearby Hotels

Boulder Reservoir, Boulder, United States

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Host Details

BBSC Endurance Running

BBSC Endurance Running

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Boulder Sunset 5K, 10K Run, 23 August | Event in Boulder | AllEvents

Boulder Sunset 5K, 10K Run

Sat, 23 Aug, 2025 at 07:30 am