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That Dam Run 13.1, 10K, 5K

Arapahoe County, Colorado, United States

calendar_today 07 Mar, 2027

directions_run Running

About the Event

Experience the exhilarating Best Dam Run, an unforgettable race that offers runners breathtaking views of Denver and the majestic Rocky Mountains along Cherry Creek Dam. Whether you're tackling the half marathon, 10K, or 5K distance, every step immerses you in a blend of scenic beauty and spirited competition.
As you cross the finish line, join fellow participants for an energizing post-race celebration filled with event awards, series accolades, and custom medals. This year’s edition introduces THE DAM BELL—a unique way to commemorate any personal milestone or achievement. From your first 5K to completing a half marathon, ringing this bell marks every accomplishment.
Additional highlights include free photos with the popular Justin Beaver, refreshments for all participants, and a special Kids 200 Meter Fun Run hosted by JB himself. Gear up in style with official race shirts and tank tops available at packet pickup or on race day.
Packet pick-up is convenient both before the event: Saturday, March 6, 2027 (time and location to be announced), or conveniently on race morning starting at 7 a.m. Don’t miss out on this dam good time!

Races Offered

10K Individual Opening soon

Mar 07, 2027

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Distance — 10K

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Type — Running

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00:00

13.1M Individual Opening soon

Mar 07, 2027

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Distance — 0K

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Type — Running

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00:00

5K Individual Opening soon

Mar 07, 2027

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Distance — 5K

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Type — Running

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00:00

Virtual That Dam Run Opening soon

Mar 07, 2027

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Distance — Virtual That Dam Run Opening soon

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Type — Running

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00:00

Weather History

These values represent the 3-year monthly averages for March in Arapahoe County.

thermostat Temperature

-1.8° / 11.4°

wb_sunny Feels like

-7.3° / 5.5°

light_mode Avg sunshine hours

10h 9m

water_drop Avg rainfall

1.1 mm

ac_unit Avg snowfall

0.5 cm

air Avg wind speed

14.9 km/h (Gentle breeze)

opacity Sweat loss rate

Low

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (4.0)

humidity_mid Humidity

46.2%

wb_twilight Sunrise

07:05

nightlight Sunset

19:04

About Arapahoe County

Learn more about the host city, Arapahoe County.

Arapahoe County is a county located in the U.S. state of Colorado. As of the 2020 census, its population was 655,070, making it the third-most populous county in Colorado. The county seat is Littleton, and the most populous city is Aurora. The county was named for the Arapaho Native American tribe, who once lived in the region. Arapahoe County is part of the Denver-Aurora-Lakewood metropolitan statistical area. Arapahoe County calls itself "Colorado's First County", since its origins antedate the Pike's Peak Gold Rush.